MUSC 20AMusic Theory I
Music · 3 units · Undergraduate lower division (0-99)
Course 20A is enforced requisite to 20B, which is enforced requisite to 20C. Students must receive grade of C or better to proceed to next course in sequence. Theory: species counterpoint through fifth species; description of triads and inversions.
P/NP or letter grading.
When it runs
- Fall 2025
- Fall 2026
Scheduled, not typical — from UCLA’s Schedule of Classes, which publishes Fall 2025 through Spring 2027 and nothing before it.
Requisites
Official UCLA wording
Preparation: passing score on departmental examination.
BruinTree reads · Preparation
needs reviewconfidence 0.00 · from textBruinTree could not read this requirement — see UCLA’s wording above.
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Requires
Everything that has to come before this course, not just the courses named in the requisite above.
Nothing — this is an entry point.
Unlocks
What this course is a requisite for, and what those courses lead to in turn.
MUSC 20A
- MUSC 20BMusic Theory II
- MUSC 20CMusic Theory III
- MUSC 66Composition Studio
- MUSC 110ALearning Approaches in Music Education
- MUSC 110BMusicality and Creativity in Childhood
- MUSC 110CComparative Study of Choral Music Education
- MUSC 110DComparative Study of Instrumental Music Education
- MUSC 111AMusic Theory through Improvisation
- MUSC 111BMusic Creation and Analysis through Technology
- MUSC 111CArranging Music for Educational Settings
- MUSC 114AStudy of Instrumental Techniques: High Strings
- MUSC 114BStudy of Instrumental Techniques: Low Strings
- MUSC 116Introduction to Conducting
- MUSC 117Study and Conducting of Instrumental and Choral Literature
- MUSC C118AAdvanced Choral Conducting
- MUSC C118BChoral Techniques and Methods
- MUSC C218AAdvanced Choral Conducting
- MUSC C218BChoral Techniques and Methods
- MUSC 119Jazz and Technology Pedagogy
- MUSC 121Special Topics in 20th-Century Music
- MUSC 122Speculative Music Theory
15 courses list this as a requisite. Showing 55 courses over 3 levels; the branches marked with a count carry on past it. Every course here opens its own tree.