The rise of grunge was explosive and brief, and these guitar riffs marked some of the hardest songs to come out of the genre.

These one-chord pop songs proved that you can find a lot of success with a very simple tune, provided it's catchy enough.

Acid house - what better way to tell the story of the beloved genre than by compiling an unmanageably huge list of its standard-bearing tunes? Acid. Aciiiiiiiidddddd. Ah, the Summer of Love, a period ...