Series I, The Music Series, contains 15 sub-series: Professional Ensembles Dated, Professional Ensembles Undated, Berkshire Symphony, Williams Trio, Victor Hill, Student Instrumental Ensembles, General Student Ensembles, College Ensemble Non-Williams, Choral Ensembles, Kusika, the Marching Band, Music Dept. Lectures, Ethnomusicology, Group for 20th-Century Music, Student/Faculty Concerts.
- Professional Ensembles Dated has posters from 1967 to the present. Inside this folder you will find posters for the Group for Twentieth Century Music, Take 6, Thompson Concert Series, and several other professional groups.
- Professional Ensembles Undated
- Berkshire Symphony
- Williams Trio
- Victor Hill
- Student Instrumental Ensembles
- General Student Ensembles
- College Ensembles Non-Williams
- Choral Ensembles
- The Marching Band
- Music Department Lectures
- Group for 20th-Century Music
- Student/Faculty Concerts