A former associate of Sean “Diddy” Combs has filed a lawsuit from prison against the hip-hop mogul, claiming Combs owes him more than $19 million for music by the late rapper Notorious B.I.G.

James Sabatino, a former consultant for Combs’ Bad Boy Entertainment Inc., said he flew B.I.G. to Miami in 1994 to perform a show and record some music. The rapper, whose real name was Christopher Wallace, recorded about 17 minutes of vocals, and the session was also captured on about 90 minutes of video footage.