Foo Fighters is an American rock band formed in 1994 by Dave Grohl, the former drummer of Nirvana. The band started as a solo project for Grohl, who recorded a demo tape that eventually led to the formation of a full band. They are known for their energetic sound and catchy melodies, blending elements of alternative rock and post-grunge. Over the years, Foo Fighters have released several successful albums, including The Colour and the Shape and Wasting Light. The band has received numerous awards, including multiple Grammy Awards, and has built a reputation for their dynamic live performances and strong fan base worldwide.