原文: Play Your Scales & Chords Every Day, Book 3. Book 3 introduces one-octave natural minor scales and cadences. Helen Marlais.
译文: Also includes a fingering chart, practice suggestions for natural minor scales, and check-off "DID IT. 海伦马尔莱斯. 钢琴方法乐谱. 钢琴独奏乐谱. 钢琴.