http://hcs.harvard.edu/~c-backs/ Callbacks Coed contemporary group at Harvard. Site contains photos and repertoire. http://www.hcs.harvard.edu/~rcs/cnotes/cnotes.html 'Cliffe Notes All-female group at Radcliffe-Harvard. http://www.hcs.harvard.edu/~dins/ Din & Tonics All-male jazz group at Harvard. http://wasat.hbs.edu/hbs_sing/hots.htm Heard on the Street All-male group at Harvard Business School. Sound clips in AIFF and RealAudio formats. http://www.kroks.com/ Krokodiloes All-male group at Harvard specializing in pop music from the 20s-50s. Site contains a few .wav samples. http://www.digitas.harvard.edu/~pitches/ Radcliffe Pitches All-female contemporary group. Site contains MP3 samples. http://hcs.harvard.edu/~undercon/ Under Construction Christian coed a cappella group at Harvard. http://hcs.harvard.edu/~veritone/ Veritones Coed group with diverse repertoire. Site contains a few RealAudio and .wav samples.