Some musicians and their birth names:

Busta Rhymes: Trevor Tahiem Smith
Bono: Paul Hewson
Eminem: Marshall Bruce Mathers III
Ginuwine: Elgin Lumpkin
Juvenile: Terius Gray
Kid Rock: Robert James Ritchie
P Diddy: Sean Combs
Shaggy: Orville Richard Burrell
Sisqo: Mark Andrews
Sting: Gordon Matthew Sumner