▁ 8 – 1 3 , ▁ 1 5 , ▁ 1 6 , ▁ 1 8 ), ▁production ▁( tra cks ▁ 2 , ▁ 5 , ▁ 6 , ▁ 8 – 1 0 , ▁ 1 2 , ▁ 1 5 ), ▁vocals ▁( track ▁ 1 5 ) ▁ ▁Richard ▁" Seg al " ▁H ured ia ▁– ▁engineering ▁( tra cks ▁ 2 , ▁ 3 , ▁ 5 – 1 8 ) ▁ ▁Mike ▁Eliz ondo ▁– ▁bass ▁( tra cks ▁ 2 , ▁ 3 , ▁ 5 , ▁ 7 – 1 0 , ▁ 1 4 , ▁ 1 5 ), ▁guitar ▁( tra cks ▁ 7 , ▁ 8 ), ▁key boards ▁( tra cks ▁ 1 5 ) ▁ ▁F . B . T . ▁– ▁production ▁( tra cks ▁ 1 , ▁ 1 1 , ▁ 1 3 , ▁ 1 4 , ▁ 1 6 – 1 9 ) ▁ ▁Mel - Man ▁– ▁production ▁( tra cks ▁ 2 , ▁ 5 , ▁ 6 , ▁ 8 – 1 0 , ▁ 1 2 ) ▁ ▁Jim ▁McC r one ▁– ▁engineering ▁assistance ▁( tra cks ▁ 2 , ▁ 5 , ▁ 8 , ▁ 1 0 , ▁ 1 4 , ▁ 1 5 ) ▁ ▁Thomas ▁Cost er , ▁Jr . ▁– ▁key boards ▁( tra cks ▁ 2 , ▁ 5 , ▁ 7 , ▁ 8 , ▁ 1 0 , ▁