Playing for change:
http://playingforchange.com/
West-eastern Divan Orchestra:
http://www.west-eastern-divan.org/
Sistema nacional de Orquestas juveniles:
http://www.fesnojiv.gob.ve/
Aga Kahn Music Iniciative:
http://www.akdn.org/aktc_music.asp
African Childrens choir:
http://africanchildrenschoir.com/