Michael Sterling Music Group was created in 1990.
WWE Music Group was created in 1985.
The Group for Contemporary Music was created in 1962.
Valory Music Group was created in 2008.
Will.i.am Music Group was created in 1998.
El Music Group was created in 2004.
Cosmos Music Group was created in 2001.
Angel Music Group was created in 1999.
KW Music Group was created in 2001.
Qryptone Music Group was created in 201#.
Murlyn Music Group was created in 1998.
Sequentia - music group - was created in 1977.
Bertelsmann Music Group was created in 1987.