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San Francisco, California
William Joseph Crawford (born January 28, 1984), better known by his stage name Ya Boy or simply just YB, is an American rapper from the Fillmore District of San Francisco, California. He is a . . 
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William Joseph Crawford (born January 28, 1984), better known by his stage name Ya Boy or simply just YB, is an American rapper from the Fillmore District of San Francisco, California. He is a cousin of Bay Area rappers San Quinn, Messy Marv and Champ Bailey (San Quinn's little brother). Crawford graduated from El Camino High School in 2001. His song "16's With Me", whose beat sampled that of "Imperial March" from the film Star Wars, was his first big hit. In 2005, Ya Boy released his first solo mixtape Future of the Franchise, followed by his debut album Rookie of the Year on Quinn's label Done Deal Entertainment. His album features E-40, Turf Talk, Clyde Carson of The Team, San Quinn and more. The first single off the album, "Step Ya Game Up", was produced by Rick Rock.
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Ya Boy songs
Chat Room 
kills it
Ya boy spits raps pretty good.
bay area
5th
.........
D.P.D
Wow no one has not wote an coment yet only me .............
FIRST one !
HE the BEST i like that song Run LA keep it goining man this from your police officer dizzler police you the best!