Input (grade 12): Prior to his death of a heroin overdose in 1988, Slovak recorded two albums with the band, Freaky Styley (/O1985/O) and The Uplift Mofo Party Plan (/O1987/O).
Output (grade 6): He rejoined in 1985 to record "Freaky Styley" and "The Uplift Mofo Party Plan" in 1987.