Elena Seigman.
John cena nelson
If you are referring to the hidden easter egg song in Black Ops 2 Zombies map "Buried", then I believe it is by Kevin Sherwood and Malukah.
Elena Siegman and treyarch sound
the pierces- "secret"
If you mean 'Who sings Black Sabbath,' the answer is Black Sabbath. If you mean who sings on it, Ozzy Osbourne. If you mean who sings for Black Sabbath, Ozzy Osbourne then Ronnie James Dio then Ian Gillan then Glenn Hughes then Tony Martin.
Ronnie Milsap
Secret by the Pierces
peggy ! the black girl, she sings !here i am" :D peggy ! the black girl, she sings !here i am" :D
Professor Longhair?
Elena Siegman.
The band Sid (シド) sings this song
Pink Martini is the singer who sings the PC Black Label Martini commercial.