Harvard-Radcliffe Collegium Musicum | 49 followers on LinkedIn. Harvard’s nationally-acclaimed, student-run mixed-voice choir | We, the Harvard-Radcliffe Collegium Musicum, strive to advance the choral art through dynamic performances of both classical masterpieces and innovative new works; foster a passionate community of student musicians; ​and spread a love for music through collaborative endeavors, tours, and community engagement.