Piano day (1h 30m) Jan piano May 11, 2018February 16, 2019 1 Minute Cycle of 4ths progressions from Dan Haerle book (skill 37, out of time, then with metronome; yes, all 1,5 hours) Share this:TwitterFacebookLike this:Like Loading... Related Published by Jan Je suis cool. View all posts by Jan Published May 11, 2018February 16, 2019