High Quality Content by WIKIPEDIA articles! The Radcliffe Pitches are a female a cappella singing ensemble at Harvard University, founded in 1975 at the Hasty Pudding Club. The group is made up of 12 to 16 Harvard undergraduates who perform at Harvard and internationally on the group's various tours. During their tours, the group has travelled within the U.S. and to international destinations including Bermuda, Spain and several Asian countries. The Pitches also perform regularly on the Harvard campus; they can be heard at large concerts in Sanders Theatre and smaller gigs. Other notable performances include appearances at the 1993 inauguration celebrations for President William Clinton and the Hasty Pudding Man of the Year awards.