After this, Flea made appearances playing the trumpet on Jane's Addiction's 1988 album Nothing's Shocking, and bass on the critically acclaimed 1989 Young MC album Stone Cold Rhymin'.
Setelah ini, Flea muncul memainkan trumpet di album tahun 1988 Jane's Addiction Nothing's Shocking, dan bass dalam album Young MC tahun 1989 yang mendapatkan pengakuan kritikal Stone Cold Rhymin'.