Mason Derelle Betha (born August 27, 1977 in Jacksonville, Florida), better known by his stage name Mase, is an American rapper and inspirational speaker. He released his debut album, Harlem World, in 1997 and it went multi-platnium, spawning the singles Feel So Good and What You Want. During the promo tour for his second album, Double Up, he announced his retirement from music. In 2004, under guidance from Diddy he made a relatively successful comeback with the album Welcome Back, but then once again went back to focus on his new career as a preacher.