 Rick Rock began to make a name for himself in 1996 when well known Vallejo Producer Mike Mosley invited him to come to the studio to meet E-40.E-40 had originally planned on using a beat produced by Mike Mosley, however due to Mosley's tardiness, Rick Rock used that time as an opportunity to showcase his talents.He went on to produce two tracks featured on E-40's "Tha Hall of Game" including the song "Record Haters" a diss track directed to NYC rapper AZ (rapper) and basketball player Rasheed Wallace.