Superunknown was Soundgarden 's biggest success , it debuted number one on the Billboard 200 over the Grammy Award-winning singles `` Black Hole Sun '' and `` Spoonman '' .
Soundgarden achieved its biggest success with the 1994 album Superunknown , which debuted at number one on the Billboard 200 and yielded the Grammy Award-winning singles `` Black Hole Sun '' and `` Spoonman '' .
Soundgarden