Robert Harry Kyr is an American composer, writer, filmmaker, and Philip H. Knight Professor of Music Composition and Theory.

The Radcliffe Choral Society (RCS) is a 60-voice treble choral ensemble at Harvard University. Founded in 1899, it is one of the country's oldest soprano-alto choruses and one of its most prominent collegiate choirs. With the tenor-bass Harvard Glee Club and the mixed-voice Harvard-Radcliffe Collegium Musicum, it is one of the Harvard Choruses. All three groups are led by Harvard Director of Choral Activities Andrew Clark. The RCS Resident Conductor is Elizabeth Eschen. RCS tours domestically every year and travels internationally every four years.