我们开始吧——这是打击乐器。
乐师们在音乐会快开始前为乐器调了音。
The musician keyed their instrument just before the concert begin.
而在那时，乐器制造者开始改造定音鼓，把定音鼓的体积和声音都变得更大。
At that time, instrument makers were creating timpani, which were bigger in size and sound.
早早开始接受乐器训练对于孩子的发育有很大的影响。
Early exposure to musical training can have a tremendous effect on a child.
b嗯，也许我应该重新开始玩乐器。
b嗯，也许我应该重新开始玩乐器。
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