Sequentia - music group - was created in 1977.
Sequentia performs medieval music. They are not only a group of singers but they also are talented in playing musical instruments. Their ensemble is determined by the number of them in the group.
Do One Music Group was created in 2009.
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.