http://www.vocedelsuono.com/vibra.html http://www.musica-spirito.it/ http://www.iccesalpino.it/images/stories/18benefici.pdf https://auctoregosum.wordpress.com/2013/12/01/gli-innumerevoli-benefici-del-suonare/ http://www.benessere.com/psicologia/arg00/musicoterapia/origini.htm
