There are several artists named "MG":

1) MG is a project by Martin L. Gore from Depeche Mode. Work began on "MG" following the final dates of Depeche Mode’s ‘Delta Machine’ tour in March 2014 at Gore’s home studio in Santa Barbara. The 16-track electronic instrumental album was mixed by Q who previously mixed VCMG, Martin Gore and Vince Clarke’s 2012 album, ‘SSSS’.

Europa Hymn was the first track released from the album, out on 27/28 April 2015 through Mute Records. He continued to use the 'MG' moniker for the 5-track EP The Third Chimpanzee released 29th January 2021 (however streaming sites list the release under his name, Martin Gore).

2) MG (Miikka Erik Magga) is a rapper from Jyväskylä, Finland.

3) MG is the stage name of Marygrace Buckner, also known as StitchLoverForever2000 on TikTok.
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Artist biography from last.fm