http://www.golosa.org/ Golosá Mixed group with a traditional Russian folk song repertoire. One MP3 clip. http://student-www.uchicago.edu/orgs/majn-acappella/index.html Make a Joyful Noise MaJ'N is a coed Christian group. No audio. http://student-www.uchicago.edu/orgs/shircago/ Shircago Coed Jewish group with a sacred and pop repertoire. Extensive media gallery with MP3s.