Current instructor

Mark Hetzler

Adjusted rating
RMP difficulty
captured reviews
About this rating

Raw average: 2.33/5 from 3 quality ratings. The adjusted rating blends this with the UW review average (3.66/5), weighted as 20 additional ratings. Smaller samples stay closer to that average. Each captured review is counted once in the prior; this does not correct who chooses to leave a review.

RMP profile ↗ · All captured review dates; profile matched by name.

What students say

Original student reviews · all captured dates

MUSPERF 221
Quality 3/5Difficulty 4/5
Hetzler is genuinely a nice guy, but he is super intense. I cried a few times and have feared a few of my lessons. He takes his work very seriously as any musician should, but if you can get through your first year, you should be solid. You never know what you will get walking into a lesson. Don't call him Mark, it's Professor Hetzler!
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MUSPERF 221
Quality 2/5Difficulty 5/5
Professor Hetzler was my trombone studio professor, and was definitely hired for his music skill, not because he is a good teacher or plays nice with others. He hated that I did marching band while also studying "real music" and c… Read full reviewShow less
Professor Hetzler was my trombone studio professor, and was definitely hired for his music skill, not because he is a good teacher or plays nice with others. He hated that I did marching band while also studying "real music" and could spend half of a music lesson just listing why I shouldn't do marching. I stopped pursuing music because of him.
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MUSPERF 421
Quality 2/5Difficulty 3/5
Mark is an interesting guy. While he often provides good feedback, he also cannot handle when someone disagrees with his assessment. He finds it disrespectful, and he expects you to take his criticism (which is often as personal as it is professional) and refuses to hear a contradictory views to his own with an open mind. Other times, he's great.
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Personal experiences, not a representative survey. Profile matching and captured coverage are shown in the source details.

Classes with Mark Hetzler

Ensemble-Brass involves assignments in performing ensemble literature, requiring audition and instructor consent for first-time enrollment, focusing on brass chamber repertoire.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2025: 4.00 GPA, 100.0% A/AB (n=19 letter grades); Fall 2025: 4.00 GPA, 100.0% A/AB (n=17 letter grades); Spring 2026: 4.00 GPA, 100.0% A/AB (n=8 letter grades).

historical GPA · grades

Fall 2022–Spring 2026

Directed study course for individual research and projects with faculty, requiring department approval of the project and instructor assignment.

Offering recorded · Spring 2027 · Sources

No recorded grade history

Advanced Pedagogy covers advanced pedagogical methods for performance, focusing on curriculum development, repertoire selection, and culturally relevant teaching practices for intermediate and advanced students.

Offering recorded · Spring 2027 · Sources

No recorded grade history

Advanced brass ensemble course focusing on performing ensemble literature, requiring auditions for placement, with outcomes covering brass chamber repertoire performance, score study, and ensemble logistics.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2016: 4.00 GPA, 100.0% A/AB (n=7 letter grades); Spring 2017: 4.00 GPA, 100.0% A/AB (n=6 letter grades); Spring 2022: 4.00 GPA, 100.0% A/AB (n=3 letter grades).

No recorded grade history

Seminar in Instrumental Literature covering comprehensive study of major works for specific instruments, focusing on interpretive and technical issues for the advanced musician.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=1 letter grades).

No recorded grade history

Independent Work is a course for faculty-mentored individual study and research in music.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=1 letter grades).

No recorded grade history

Private applied music performance instruction for non-majors and majors on a secondary instrument; excludes keyboard and vocal study.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=1 letter grades).

historical GPA · grades

Spring 2025–Spring 2025 · limited sample

Intermediate individual trombone instruction focused on improving technical proficiency in tone, accuracy, intonation, articulation, and dynamic control.

Offering recorded · Spring 2027 · Sources

Past student reviews · Mark Hetzler

Professor Mark Hetzler taught with a super intense approach that left some students feeling fearful or discouraged, with one review noting he spent lessons criticizing extracurricular activities like marching band. Another student described him as a nice but serious instructor whose unpredictable lesson intensity caused them to cry, though they felt solid after the first year. Reviewers disagreed on his effectiveness, with one stopping music studies due to his methods while the other found the rigor ultimately beneficial.

No recorded grade history

Intermediate Jazz provides individual instruction for students pursuing jazz, focusing on technical proficiency, improvisation, and the standard jazz repertoire.

Offering recorded · Spring 2027 · Sources

No recorded grade history

Advanced individual trombone instruction for majors focused on artistic growth, technique, and developing an independent musical voice.

Offering recorded · Spring 2027 · Sources

Past student reviews · Mark Hetzler

Mark Hetzler often provided good feedback, but one student found his criticism personal and noted that he struggled to handle disagreement, viewing it as disrespectful. The reviewer acknowledged that he was great at other times, though the feedback style was a concern.

No recorded grade history

Advanced individual jazz instruction focusing on technical proficiency, improvisation, and ensemble performance within the jazz idiom.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=1 letter grades).

No recorded grade history

MUSPERF 521 is MASTERS LEVEL-TROMBONE, providing Masters level individual trombone instruction.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=2 letter grades).

No recorded grade history

MASTERS RECITAL involves the preparation and public performance of a Masters Recital.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=1 letter grades).

No recorded grade history

DMA RECITAL covers preparation and public performance of a Doctoral Recital, which is part of the degree requirements for all Doctor of Musical Arts degrees.

Offering recorded · Spring 2027 · Sources

Recent recorded grades — Spring 2022: 4.00 GPA, 100.0% A/AB (n=2 letter grades).

historical GPA · grades

Spring 2024–Spring 2026 · limited sample

Recorded teaching history

Distinct courses recorded per term

Explore courses taught by this instructor →
Browse recorded courses
TermCourseTitle
Spring 2027MUSIC 267Ensemble-brass
Spring 2027MUSIC 499Directed Study
Spring 2027MUSIC 540Advanced Pedagogy
Spring 2027MUSIC 567Advanced Ensemble-brass
Spring 2027MUSIC 798Seminar-instrumental Literature
Spring 2027MUSIC 799Independent Work
Spring 2027MUSIC 999Phd Diss/dma Project
Spring 2027MUSPERF 146Music Lessons for Non-majors
Spring 2027MUSPERF 221Intermediate Trombone
Spring 2027MUSPERF 241Intermediate Jazz
Spring 2027MUSPERF 421Advanced Trombone
Spring 2027MUSPERF 441Advanced Jazz
Spring 2027MUSPERF 499Senior Recital
Spring 2027MUSPERF 521Masters Level-trombone
Spring 2027MUSPERF 541Masters Level Jazz Studio Instruction
Spring 2027MUSPERF 721Doctoral Level-trombone
Spring 2027MUSPERF 990Masters Recital
Spring 2027MUSPERF 999Dma Recital
Fall 2026MUSIC 267Ensemble-brass
Fall 2026MUSIC 499Directed Study
Fall 2026MUSIC 540Advanced Pedagogy
Fall 2026MUSIC 567Advanced Ensemble-brass
Fall 2026MUSIC 798Seminar-instrumental Literature
Fall 2026MUSIC 799Independent Work
Fall 2026MUSPERF 146Music Lessons for Non-majors
Fall 2026MUSPERF 21Brass Fundamentals
Fall 2026MUSPERF 221Intermediate Trombone
Fall 2026MUSPERF 241Intermediate Jazz
Fall 2026MUSPERF 421Advanced Trombone
Fall 2026MUSPERF 441Advanced Jazz
Fall 2026MUSPERF 499Senior Recital
Fall 2026MUSPERF 521Masters Level-trombone
Fall 2026MUSPERF 541Masters Level Jazz Studio Instruction
Fall 2026MUSPERF 721Doctoral Level-trombone
Fall 2026MUSPERF 999Dma Recital

Teaching history may be incomplete. Course pages contain course-specific feedback and citations.

Instructor identity & provenance
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