http://www.geofex.com/effxfaq/distn101.htm

http://www.geofex.com/Article_Folders/wahpedl/wahped.htm

http://en.wikipedia.org/wiki/Distortion_(music)

http://en.wikipedia.org/wiki/Jimi_Hendrix

http://www.jimihendrix.com/us/home

http://www.cafemuse.com/soundgarden/makingmusic/strings.htm