http://www.columbia.edu/cu/clefs/index.html Mixed group with a pop repertoire. Pictures and sound clips in AIFF and RealAudio formats. http://www.columbia.edu/cu/juby/ Christian group at Columbia. Photos, events, and MP3s. http://www.columbia.edu/cu/kingsmen/ All-male group at Columbia. Song samples in .wav format. http://www.columbia.edu/cu/jsu/pizmon/ Coed Jewish group at Columbia. Repertoire includes both traditional and contemporary Jewish and Israeli music. Soundclips in RealAudio. http://www.columbia.edu/cu/uptownvocal/ Mixed Columbia group with a standards/pop repertoire. Many photos, .wav samples. Formerly the Cat-A-Tonics