Orijinal: Theory Lessons, Level 4. Writing, playing, and ear-training drills isolate and reinforce concepts presented in Piano Lessons.
Tercüme: Teori Dersler, Seviye 4. James Bastien. Piyano Metodu notalar. Piano Solo notalar. Piyano için. Teori. Bastien Piano Kütüphane. Seviye 4.