Colla Voce Music LLC, established in 1996, is dedicated to publishing quality music literature from around the world. Originally started as a hobby by businessman Frederick M. Hatfield, Colla Voce quickly started making a name for itself by publishing the music of composer James Q. Mulholland and editor/conductor Henry Leck, both JCA School of Music faculty. The following series include the works of notable published faculty and alumni of Butler University.