1·So the timpani comes in and it goes crazy and comes back to the tonic at which point the trumpet takes over again.
然后定音鼓出现疯狂的转变，回到主音之后，小号再次出现。
2·Timpani or as it's sometimes called a kettledrum, and it was playing two different pitches, actually sort of playing this pitch and this pitch, the octave and then the fifth.
定音鼓，或者有时称作半球形铜鼓，它正演奏两个不同的音高，实际上在演奏这个音高和另外一个音高，八度音阶和这个五度。
3·We often can see timpani in orchestras. Timpani play an important part in orchestras.
我们可以时常在交响乐团里看到定音鼓，它占了一个很重要的角色。
4·Percussionists are required to perform with snare drum, keyboard percussion and timpani.
敲击乐须能演奏小军鼓，键盘敲击乐器及定音鼓。
5·Percussion group is made up of timpani, gongs, cymbals, tambourine, Angle iron play, etc.
打击乐组是由定音鼓、锣、镲、铃鼓、三角铁等演奏的。