Krokodiloes - All-male group at Harvard specializing in pop music from the 20s-50s. Site includes a few .wav samples. Under Construction - Christian coed a cappella group at Harvard. Callbacks - Coed contemporary group at Harvard. Site contains photos and repertoire. Heard on the Street - All-male group at Harvard Business School. Sound clips in AIFF and RealAudio formats. Radcliffe Pitches - All-female contemporary group. Site contains MP3 samples. Din & Tonics - All-male jazz group at Harvard. Veritones - Coed group with diverse repertoire. RealAudio and .wav samples.