 E-40 then introduced Rick Rock to Tupac Shakur where he and Mike Mosley co-produced two additional tracks "Tradin War Stories" and "Ain't Hard to Find" from the album All Eyez on Me.Around that time Rick Rock also contributed heavily to fellow bay area artist Spice 1's Immortalized album.Rick Rock's popularity grew in the early 2000s after Jay-Z released the hit single "Change the Game".