Piano Tutor Book 6 Track 20 Prelude in C Minor by Bach by Andrea Monk|Published 27 December 2018 https://andreamonk.co.uk/wp-content/uploads/2018/12/Piano-Tutor-Book-6-Track-20-Prelude-in-C-Minor.mp3“Piano Tutor Book 6 Track 20 Prelude in C Minor by Bach. This baroque piano piece uses 3 flats”.