JJ Fad’s Supersonic, though hardly a masterpiece, was the first effort out of Eazy-E’s Ruthless Records, presaging 1988 efforts by N.W.A and Eazy himself. The charting album and its hit singles helped establish the label, a move which helped Straight Outta Compton make history. For the 30th anniversary, we’re breaking down the samples on the indispensable record.