原文: Technic Lessons, Level 4. Students develop hand and finger coordination, facility, dexterity, and control at a comfortable pace.
翻訳: Reading Two-Part Melodic Direction. James Bastien. ピアノメソッド楽譜. ピアノソロ楽譜. Technic Lessons, Level 4 composed by James Bastien. ピアノのための.