Mason Durell Betha (born August 27, 1975),[1] better known by his mononym Mase (formerly Murda Mase and stylized as Ma$e), is an American rapper.[3] In the late 1990s, he recorded on the Bad Boy Records label alongside its founder Sean "Puff Daddy" Combs to significant mainstream success.[4] In 1997 and 1998, Mase had a total of five platinum singles, five Hot Rap Songs number one singles, and six Billboard Hot 100 top ten singles, stemming from his guest features on Sean Combs' singles "Can't Nobody Hold Me Down" and "Been Around the World", the Notorious B.I.G.'s "Mo Money Mo Problems", as well as his singles as a lead artist: "Feel So Good" (featuring Kelly Price), "What You Want" (featuring Total) and "Lookin' at Me" (featuring Sean Combs). Both "Can't Nobody Hold Me Down" and "Mo Money Mo Problems" topped the Billboard Hot 100. Mase's 1997 debut album Harlem World was certified quadruple platinum by the RIAA.[5] His subsequent two albums, Double Up (1999) and Welcome Back (2004), have been certified gold.[5]