Music Cataloging at Yale Call numbers

Vocal ensembles includes secular and sacred duets, trios, quartets, etc. (one voice to a part) with or without accompaniment. For class numbers for choral ensembles (two or more voices to a part), so Class numbers for choral music.

For information about subject headings for vocal ensembles, see Vocal ensembles

Secular	Sacred	Orchestra, other ensemble, or electric accompaniment
M1528 M1528.5 M1529	M2018 -- M2019	Full scores Vocal scores without accompaniment Vocal scores
Secular	Sacred	Accompaniment of keyboard or other instrument or unaccompanied
M1529.2 M1529.3 M1529.4 M1529.5	M2019.2 M2019.3 M2019.4 M2019.5	Duets   Collections   Separate works Trios, quartets, etc.   Collections   Separate works