# MUSPERF 521: Masters Level-trombone | UW–Madison [View on UW Courses](https://uwcourses.com/courses/MUSPERF_521) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## course ### run id 20260907T155543-ce3781c4 ### semester 1272 ### observed at 2026-09-07 15:55:43.033547+00:00 ### record version id c5941ac5b1e734e64039c01de2a242b85d639d87ffb7aace89a7753ccb190fe3 ### course id MUSPERF 521 ### course uid course\_b6eeebb09d2e6f442c96f66a ### catalog version id 7213b63a963eb5d0a3b9fed5394aaa9be5c90406ddb6f268d1b790a079a60bec ### course number 521 ### subjects * MUSPERF ### title MASTERS LEVEL-TROMBONE ### description Masters level individual trombone instruction. ### requirements text Declared in Music: Performance graduate program ### credits min 4 ### credits max 4 ### credit offering ids * 1272:664:013560 ### llm job id enrich-8b774950c2b6adfdc46d1b82 ### llm output id 37734ef970dccaf7556c67a429ed0fa1a94e385ce6544ef5d039b651d9ca139e ### llm model nvidia/Qwen3.6-35B-A3B-NVFP4 ### llm model revision 1355db6a052410cfd62085d94b58866fd0f2c3c5 ### llm task version 14 ### llm search status valid ### llm summary MUSPERF 521 provides masters level individual instruction in trombone performance. ### llm topics * Trombone performance ### llm skills * Individual trombone performance technique ### llm assumed background * Graduate-level standing in Music: Performance ### llm search phrases * MUSPERF 521 trombone * Masters level trombone instruction * Music Performance graduate course ### llm requirements status needs\_review ### llm student summary status valid ### llm experience status insufficient\_evidence ### catalog variants None recorded. ### student summary #### context hash 2205a0abc35ba509ca31423aafe5157614be7a8210b5c12eb32fdebd6a7e447c #### course id MUSPERF 521 #### current instructors ```json [ { "instructor_uid": "instructor_6f9d292aa4aeba2c3a15e590", "message": "No course-specific reviews available", "name": "Mark Hetzler", "review_status": "no_course_reviews", "rmp_instructor_id": "rmp:2002789", "summary": [ { "citations": [ { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1224", "type": "grade" } ], "text": "Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=2 letter grades)." } ] } ] ``` #### difficulty workload None recorded. #### errors None recorded. #### historical context None recorded. #### message No course-specific reviews available #### offered true #### profile hash 5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02 #### quick take Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=2 letter grades). ```json { "citations": [ { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "grades_latest", "term_id": "1224", "type": "grade" } ] } ``` #### student experience None recorded. #### task hash 74fb0997943e888960bbc9e47db8c4fd12e4292d55c20509d8d89db6a9910f68 #### teaching history MARK HETZLER is recorded teaching in Fall 2007, Spring 2008, Fall 2008, Spring 2009, Fall 2009, Spring 2010, Fall 2010, Spring 2011, Fall 2011, Fall 2015, Spring 2016, Fall 2016, Spring 2017, Fall 2017, Fall 2020, Fall 2021, Spring 2022, Fall 2022, Spring 2023, Fall 2023, Fall 2024, Spring 2025, Fall 2025. Recorded history may be incomplete and does not establish a future schedule. ```json { "citations": [ { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1082", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1084", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1092", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1094", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 1, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1102", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1104", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1112", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1114", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1122", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1162", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1164", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1172", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1174", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1182", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1212", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1222", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1224", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1232", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1234", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1242", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1252", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1254", "type": "grade" }, { "course_id": "MUSPERF 521", "run_id": "20260907T155543-ce3781c4", "section_number": 89, "source_course_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "source_record": { "entity_id": "aa0a3e34-502e-36a3-9f9f-2ec84cb99ff2", "file": "tables/observations.parquet", "kind": "grades", "source": "madgrades" }, "table": "section_grades_latest", "term_id": "1262", "type": "grade" } ] } ``` #### term id 1272 #### term name 2026 Fall #### version 2 ### requirements #### nodes ```json [ { "children": [], "condition": "Declared in Music: Performance graduate program", "course": null, "evidence": "Declared in Music: Performance graduate program", "id": "n0", "kind": "condition" } ] ``` #### notes * Reference to 'Music: Performance graduate program' is not a linked course; requires manual verification of program enrollment status. #### root n0 #### status needs\_review ### instructors ```json [ { "instructor_uid": "instructor_6f9d292aa4aeba2c3a15e590", "source": "enrollment", "source_instructor_id": "hetzler", "identity_basis": "netid", "identity_status": "source_identified", "name": "Mark Hetzler", "email": "HETZLER@WISC.EDU", "first_observed_at": "2026-09-07 15:55:43.033547+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 3, "quality": 2.33, "difficulty": 4, "quality_count": 3, "difficulty_count": 3, "profile_id": "rmp:2002789", "source_url": "https://www.ratemyprofessors.com/professor/2002789", "match_basis": "exact_name", "observed_at": "2026-09-07 16:20:36.978964+00:00", "courses": { "course_8628a3fabd77918653bca71f": { "review_count": 2, "quality": 2.5, "difficulty": 4.5, "quality_count": 2, "difficulty_count": 2 }, "course_a8df98d8511573954e202977": { "review_count": 1, "quality": 2, "difficulty": 3, "quality_count": 1, "difficulty_count": 1 } }, "bayesian_quality": 3.4862485074318217, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "instructor_url": "/instructors/MARK_HETZLER" } ] ``` ### offerings ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "offering_id": "1272:664:013560", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1272", "source_course_id": "013560", "source_subject_id": "664", "title": "Masters Level-Trombone", "credits_min": 4, "credits_max": 4, "typically_offered": "Fall, Spring, Summer" } ] ``` ### sections ```json [ { "run_id": "20260907T155543-ce3781c4", "observed_at": "2026-09-07 15:55:43.033547+00:00", "section_uid": "uw-section:1272:15402", "term_id": "1272", "source_section_id": "15402", "identity_basis": "class_number", "section_number": "089", "section_type": "IND", "instruction_mode": "Classroom Instruction", "capacity": 5, "enrolled": 0, "waitlisted": 0, "start_date": "2026-09-02 05:00:00+00:00", "end_date": "2026-12-09 06:00:00+00:00" } ] ``` ### grade instructors ```json [ { "instructor_uid": "instructor_637a65d555e972135fc865bf", "source": "madgrades", "source_instructor_id": "3922122", "identity_basis": "source_id", "identity_status": "source_identified", "name": "MARK HETZLER", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 3, "quality": 2.33, "difficulty": 4, "quality_count": 3, "difficulty_count": 3, "profile_id": "rmp:2002789", "source_url": "https://www.ratemyprofessors.com/professor/2002789", "match_basis": "exact_name", "observed_at": "2026-09-07 16:20:36.978964+00:00", "courses": { "course_8628a3fabd77918653bca71f": { "review_count": 2, "quality": 2.5, "difficulty": 4.5, "quality_count": 2, "difficulty_count": 2 }, "course_a8df98d8511573954e202977": { "review_count": 1, "quality": 2, "difficulty": 3, "quality_count": 1, "difficulty_count": 1 } }, "bayesian_quality": 3.4862485074318217, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "grade_statistics": { "gpa": 3.981, "graded": 583, "counts": [ 570, 6, 6, 0, 1, 0, 0 ], "sections": 370 }, "instructor_url": "/instructors/MARK_HETZLER--instructor_637a65d555e972135fc865bf" }, { "instructor_uid": "instructor_6f9d292aa4aeba2c3a15e590", "source": "enrollment", "source_instructor_id": "hetzler", "identity_basis": "netid", "identity_status": "source_identified", "name": "Mark Hetzler", "email": "HETZLER@WISC.EDU", "first_observed_at": "2026-09-07 15:55:43.033547+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "ratings": { "review_count": 3, "quality": 2.33, "difficulty": 4, "quality_count": 3, "difficulty_count": 3, "profile_id": "rmp:2002789", "source_url": "https://www.ratemyprofessors.com/professor/2002789", "match_basis": "exact_name", "observed_at": "2026-09-07 16:20:36.978964+00:00", "courses": { "course_8628a3fabd77918653bca71f": { "review_count": 2, "quality": 2.5, "difficulty": 4.5, "quality_count": 2, "difficulty_count": 2 }, "course_a8df98d8511573954e202977": { "review_count": 1, "quality": 2, "difficulty": 3, "quality_count": 1, "difficulty_count": 1 } }, "bayesian_quality": 3.4862485074318217, "prior_mean": 3.6596857835465957, "prior_weight": 20 }, "instructor_url": "/instructors/MARK_HETZLER" } ] ``` ### grades ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1082", "term_name": "Fall 2007", "instructors": [ "Mark Hetzler" ], "a": 0, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1084", "term_name": "Spring 2008", "instructors": [ "Mark Hetzler" ], "a": 0, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1092", "term_name": "Fall 2008", "instructors": [ "Mark Hetzler" 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"satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1252", "term_name": "Fall 2024", "instructors": [ "Mark Hetzler" ], "a": 0, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1254", "term_name": "Spring 2025", "instructors": [ "Mark Hetzler" ], "a": 0, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "MUSPERF 521", "course_uid": "course_b6eeebb09d2e6f442c96f66a", "term_id": "1262", "term_name": "Fall 2025", "instructors": [ "Mark Hetzler" ], "a": 0, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 0, "source_aliases": [ "MUSPERF 521" ] } ] ``` ### statistics #### gpa 4 #### graded 2 #### counts * 2 * 0 * 0 * 0 * 0 * 0 * 0 ### grade conflicts None recorded. ### evidence #### history * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course\_b6eeebb09d2e6f442c96f66a-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/history/course_b6eeebb09d2e6f442c96f66a-0.json) #### traces * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course\_b6eeebb09d2e6f442c96f66a-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/traces/course_b6eeebb09d2e6f442c96f66a-0.json) #### meetings * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course\_b6eeebb09d2e6f442c96f66a-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/meetings/course_b6eeebb09d2e6f442c96f66a-0.json) #### results * [/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course\_b6eeebb09d2e6f442c96f66a-0.json](https://uwcourses.com/data/e243353dcb7d79b7247ced91d69443ef4c2a6349/results/course_b6eeebb09d2e6f442c96f66a-0.json) ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ## instructor Trends ```json [ { "uid": "instructor_637a65d555e972135fc865bf", "name": "MARK HETZLER", "count": 2, "terms": [ { "term": "1224", "count": 2, "sections": 1, "gpa": 4 } ] } ] ``` ## following None recorded.