abrir cuando: quieras cantar.

https://www.youtube.com/watch?v=9GLpcKXRxXg&list=PLGVyaq-ImjWFP5y2Jh87g-tLBSh8ec-qr
https://www.youtube.com/watch?v=toYwtggz6F8&list=PLlZ3hmcrfyHD-3J8YCgf9iPYBGzwz2Aaz
https://www.youtube.com/watch?v=qvKhFEnrtMU&list=PLCm0qsdcdaZd-lxK_9vooRlw1-KmlhpHU