Claim: Grunge became commercially successful due in part to at least one album by Soundgarden.
Evidence: Grunge became commercially successful in the early 1990s , due to releases such as Nirvana 's Nevermind , Pearl Jam 's Ten , Soundgarden 's Superunknown , Alice in Chains ' Dirt and Stone Temple Pilots ' Core.
Superunknown is the fourth album by American rock band Soundgarden , released on March 8 , 1994 , through A&M Records.