http://illuminations.nctm.org/Activities.aspx?grade=all

http://www.coolmath.com/dampfunction1.htm

http://library.thinkquest.org/4116/Music/music.htm

http://www.phys.unsw.edu.au/jw/strings.html

http://www.musicmasterworks.com/WhereMathMeetsMusic.html

http://www.youtube.com/watch?v=UB-9nkSTjuM