ماخذ: Accelerated Piano Adventures. This book - Theory Book 2 - supplements the Accelerated Piano Adventures. Theory Book 2. PF.
ترجمه: ماجراهای پیانو شتاب. کتاب تئوری 2. نت موسیقی. پیانو. Lesson Book 2 , which is designed specifically for the older beginner.