Originally Posted by kane

I might disagree. Foo Fighters have clearly left their mark and are a great band, but Nirvana was the spearhead that changed the direction the music industry was going. When Nevermind came out radio and MTV were being dominated by hair bands and the glam rock sound. A year later many of those bands were all but dead and radio and MTV were being dominated by alternative rock bands. Some of the big glam rock/metal bands survived, but Nirvana helped usher in a new sound and they gave rock a new identity.