Premise: Grunge . 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 .
Hypothesis: Grunge became commercially successful due in part to the 90's counterculture movement.
Label: NEUTRAL