The document summarizes the rise of alternative rock in the 1990s in the United States, focusing on key bands from the Seattle grunge scene like Nirvana. It describes Nirvana's early albums Bleach and Nevermind which brought alternative rock to the mainstream. It also discusses other prominent grunge bands of the time period like Pearl Jam, Soundgarden, and Alice in Chains. Additionally, it mentions related genres and artists that were influential during this time, such as riot grrrl bands, PJ Harvey, Smashing Pumpkins, and punk revival bands.