9 Kings & 1 Queen
http://www.ranker.com/list/top-10-kings-of-music/george-mehlhopt,
Classical
Beethoven = King of Classical.
Blues
Jimi Hendrex = King of Blues.
Hip Hop
Eminem = King of Hip Hop.
Rock N Roll
Elvis Presley = King of Rock n Roll.
Rock
The Beatles = Kings of Rock.
Heavy Metal
Metallica = Kings of Heavy Metal.
RNB
Beyonce = Queen of Rnb.
Grunge
Nirvana = Kings of Grunge.
Pop
Michael Jackson = King of Pop.
Reggae
Bob Marley = King of Reggae.