Question: Perry Farrell's album Song Yet to Be Sung features collaborations with which Dutch bassist and founder of Porno for Pyros?
Sentence (from "Porno for Pyros (album)"): Jane's Addiction guitarist Dave Navarro and bassist Eric Avery, battling substance abuse issues, had left the band in 1991 in an attempt to stay clean, though the other half of the band wished to continue creating music.
Relevant evidence: No