M-pact

m-pact
Origin	Los Angeles, California, USA
Genres	Jazz, pop, a cappella
Years active	1995–present
Website	www.m-pact.com
Members	Jeff Smith Drew Tablak Aaron Schumacher Andy Degan Jamond McCoy Tracy Robertson
Past members	Britt Quentin Greg Whipple Jonathan Gonzales Matthew Selby Morten Kier Marco Cassone Trist Curless Fletcher Sheridan Jarrett Johnson Jake Moulton

m-pact is a Los Angeles, California-based pop-jazz vocal group founded in June 1995. It is most notable for winning the Los Angeles Music Award for Vocal Group of the Year and the 1999 Billboard magazine "Unsigned Band of the Year" award.

...
Wikipedia