superunknown bass cover- Soundgarden Jul 26, 2017 Cover, Cover Grunge, Cover Rock, Cover Soundgarden, Cover Superunknown, Superunknow, Superunknown, Like 0 Thanks! You've already liked this « Alive in the Superunknown cover – Smashing Pumpkins – Cherub Rock » Superunknown (Soundgarden cover) – My tribute to Chris Cornell