MGM Music was created in 1986.
From what I know, no MGM did not produce The Birth of Music.
MGM Macau was created in 2007.
MGM Distribution was created in 1998.
MGM HD was created in 2006.
MGM Kids was created in 1995.
MGM Television was created in 1955.
MGM Records was created in 1946.
MGM Parade was created in 1955.
MGM - TV channel - was created in 1998.
MGM Holdings was created on 2005-02-11.
The Signature at MGM Grand was created in 2006.
MGM Worldwide Television was created in 1996.