https://youtu.be/oOlDewpCfZQ?si=II31mTXji8Yo-h66 YTB P1 PY
Cançons que segueixen la donda d'acords "Axis progression"... https://en.wikipedia.org/AXIS.progression
Videos YOUTUBE...
https://www.youtube.com/watch?v=U8ImkF7FMPw&ab_channel=DavidBennettPiano https://www.youtube.com/watch?v=LjOKMNNo7HA&ab_channel=DavidBennettPiano
https://www.youtube.com/playlist?list=PLENtES5QjZ9RPb_IxJt3f_p67Zqc6PYW8