Final answer:
Dave Grohl was a prominent member of Nirvana and later formed the Foo Fighters, both bands being influential in their respective eras of rock music.
Step-by-step explanation:
Dave Grohl is a renowned musician known for being a member of two significant bands: Nirvana and Foo Fighters. With Nirvana, Grohl played a vital role as the drummer, contributing to the grunge movement of the early 1990s. Following the dissolution of Nirvana after the tragic death of frontman Kurt Cobain, Grohl went on to form the Foo Fighters, where he stepped into the spotlight as the lead vocalist and guitarist. Both groups achieved massive success, with Nirvana's raw, emotional style paving the way for rock music in that era, and Foo Fighters continuing to command huge audiences with their blend of melodic rock and alternative sounds.