Nirvana was an American rock band formed in 1987, widely regarded as one of the most influential and groundbreaking bands in the history of rock music. The group was led by frontman Kurt Cobain, with Krist Novoselic on bass and Dave Grohl on drums. Nirvana is best known for pioneering the grunge movement, blending elements of punk rock and heavy metal with introspective and raw lyrics. Their 1991 album Nevermind—which includes the iconic single Smells Like Teen Spirit—brought them global fame and is considered one of the greatest albums of all time.