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

http://www.zzounds.com/

http://www.windworld.com/emi/

http://www.music123.com/

http://www.amazon.com/musical-instruments-accessories-sound-recording/b?ie=UTF8&node=11091801

http://instruments.ebay.com/

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

http://www.musiciansfriend.com/

http://www.answers.com/topic/musical-instrument

http://www.dsokids.com/2001/instrumentchart.htm