Karl Brown was the 3rd member of Double Trouble which produced the hit tracks "Just Keep Rockin" & "Street Tuff" which became chart toppers as Double Trouble & the Rebel Mc back in the 80's that become a hit at No. 21 & 3 in the National charts, and had worldwide acclaim, he then moved on to form the production duo Tuff Jam with his former Dj Partner Matt "Jam" Lamont.