The accordion is a young multi-musical part multiplication keyboard instrument, is one of instrumental music teaching important performance methods.
手风琴是一门年轻的多声部多元化的键盘乐器，是器乐教学的重要表现手段之一。
The accordion is a young multi-musical part multiplication keyboard instrument, is one of instrumental music teaching important performance methods.
手风琴是一门年轻的多声部多元化的键盘乐器，是器乐教学的重要表现手段之一。
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