In the first episode of "Jeen-Yuhs," rapper Mase is first seen at Jermaine Dupri's birthday party in 1998, among others including rap group Harlem World and West himself. Mase gained popularity after signing with Bad Boy Records, the New-York based record label founded by Sean "Diddy" Combs. West has
called Mase his "favourite rapper ever" and the two collaborated on West's "Cruel Summer" album together.