http://www.amazinblue.org/ Official home of University of Michigan's nationally-renowned a cappella coed contemporary group. http://www.umich.edu/~dandj/ Coed group sings a healthy serving of blues and jazz. No audio, some broken links. http://www.umich.edu/~ummgc/friars/ All-male octet, a subset of the UM glee club. Varied repertoire, mainly pop. Sound samples in RealAudio format. http://www.umich.edu/~gmen/ All-male group with a pop repertoire. Four MP3 samples. http://www.umich.edu/~gimble/ Coed group with a repertoire ranging from pop to doo-wop, soul, and madrigal. Sound clips in MP3 format. http://www.umich.edu/~corundum/ A coed and multicultural group with an 80s and 90s pop repertoire, heavy on the dance music. Only one sound sample, in RealAudio format. http://www.umich.edu/~nettes/ All-female group, a subset of the UM Women's Glee Club. No audio.