MUSPERF 221 provides individual trombone instruction for Music majors at the elementary/intermediate level.
Lessons are described as super intense and emotionally difficult, with unpredictable dynamics that require students to adhere to formal address protocols.
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Declared in the undergraduate Music program, Music: Performance BM, or Music: Education BM
This is a best-effort interpretation; check the catalog requirements above.
Mark Hetzler is described as skilled but difficult, with one student citing his negativity toward marching band as a reason to stop pursuing music.
Another student finds him intense and scary, though genuinely nice and serious about work, noting that surviving the first year builds solid skills.
Recent recorded grades — Spring 2009: 4.00 GPA, 100.0% A/AB (n=7 letter grades); Fall 2016: 4.00 GPA, 100.0% A/AB (n=6 letter grades); Spring 2022: 4.00 GPA, 100.0% A/AB (n=3 letter grades).
MARK HETZLER is recorded teaching in Fall 2006, Spring 2007, Fall 2007, Spring 2008, Fall 2008, Spring 2009, Fall 2009, Spring 2010, Fall 2010, Spring 2011, Fall 2011, Spring 2012, Fall 2012, Spring 2013, Fall 2013, Spring 2014, Fall 2014, Spring 2015, Fall 2015, Spring 2016, Fall 2016, Spring 2017, Fall 2017, Spring 2018, Fall 2018, Spring 2019, Fall 2019, Fall 2020, Fall 2021, Spring 2022, Fall 2022, Spring 2023, Fall 2023, Spring 2024, Fall 2024, Spring 2025, Fall 2025, Spring 2026. Recorded history may be incomplete and does not establish a future schedule.
Recorded history may be incomplete and does not establish a future schedule.
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| Section | Mode | Enrolled / capacity | Waitlist |
|---|---|---|---|
| IND 089 | Classroom Instruction | 4 / 10 | 0 |
| IND 189 | Classroom Instruction | 0 / 5 | 0 |
Times are Central. Select a meeting for details; export includes recorded dates for the selected sections. Enrollment reflects scan time.
Mark Hetzler is a skilled musician who demands high seriousness, though students report conflicting experiences regarding his interpersonal style and intensity.
Recent recorded grades — Spring 2009: 4.00 GPA, 100.0% A/AB (n=7 letter grades); Fall 2016: 4.00 GPA, 100.0% A/AB (n=6 letter grades); Spring 2022: 4.00 GPA, 100.0% A/AB (n=3 letter grades).
Lessons are described as super intense and emotionally difficult, with unpredictable dynamics that require students to adhere to formal address protocols.
One student stopped pursuing music due to his criticism of marching band, while another found his seriousness beneficial for skill development despite the stress.
Latest available · Spring 2022— not enough history to project Fall 2026.
Through Spring 2022
Descriptions, prerequisites, and recorded course offerings.
Observations at scan time; dates do not imply when a catalog change took effect.
Elementary/Intermediate Trombone
Recorded 2026-09-07[
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"course_id": "MUSPERF 221",
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"source_course_id": "013382",
"source_subject_id": "664",
"title": "Elementary/Intermediate Trombone",
"credits_min": 2,
"credits_max": 4,
"typically_offered": "Fall, Spring"
}
]Original comments behind the course and instructor summaries.
Recorded grade distributions by term, section, and instructor.
Explore recorded gradesRecorded model configuration, reasoning, and tool conversations.
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