Scales & Arpeggios For Keyboard Dummies (2nd Edition)。售價 HK$210，可預訂。以更好玩更容易﹑有系統地學習 Scales 和指法 ！用一套有趣生動的學習方法，輕鬆克服難關 Features: scales x 36 (major , harmonic & melodic minor) & arpeggios x 24 (major & minor) dominant sevenths x 12 & diminished sevenths x 12 with keys, lette…