http://www.georgetownchimes.org/ All-male group with a repertoire of 50's and 60's classics, hymns, and pop hits. Sound clips in .wav format. http://www.angelfire.com/md/moralhazard/ Coed group at Georgetown Law. Mostly pop and holiday repertoire. No audio. http://www.georgetown.edu/student-programs/organizations/phantoms/ Coed group with a pop repertoire. Photos, no audio.