http://es.wikipedia.org/wiki/M%C3%BAsica
https://www.google.com/search?q=tipos+de+musica&source=lnms&tbm=isch&sa=X&ei=LE1aVbaDCIbjsASjtoAY&ved=0CAcQ_AUoAQ&biw=1366&bih=657#imgrc=WmjMMgQAgxAQSM%253A%3BeW1l6gvZdKFi_M%3Bhttp%253A%252F%252F2.bp.blogspot.com%252F-y9sTtwHXIw0%252FUI73ahiAxFI%252FAAAAAAAAACE%252F3w_OdgLnfkw%252Fs1600%252Fpop.jpg%3Bhttp%253A%252F%252Fmimusicatumusic-representando.blogspot.com%252F%3B985%3B667
http://es.wikipedia.org/wiki/G%C3%A9nero_musical