求翻译：Improvvisazione的意思是上演某些事先没有准备好的东西：即兴发表一段演讲、即兴作诗，或在没有预料到的情况下上演一些东西；而就音乐而言，就是在演出的时候作曲。Improvvisazione di canto是即兴创作的一种形式。 在西方音乐中存在着一种非常精确的即兴演唱的技巧，从文艺复兴时期以来贯穿整个音乐时代，虽没有文字记录，但是按照惯例传承下来了。是什么意思？

Improvvisazione mean is not prepared in advance staged some good things : some impromptu speeches, impromptu poetry, or put something in the absence of unforeseen circumstances ; And the music is concerned, when the composer was in the show .

Improvvisazione mean staged some prior not ready for anything: impromptu made a speech, impromptu poetry, or in the absence is expected to be staged at some of the things; and in the case of music, in concert at the composer. Improvvisazione di canto is Improvisation of a form. In western music, the

The Improvvisazione meaning is the thing which performs certain has not prepared beforehand: Makes section of lectures extemporaneously, writes poetry extemporaneously, or in had not expected in the situation performs some things; But speaking of music, is in performance time composing music.Improvv

Improvvisazione mean staged something prior not ready: deliver a speech off the cuff, and improvise, and staged in case of unexpected stuff; but as far as music is concerned, when it's performed composers. Improvvisazione di Canto is a form of improvisation. In Western music, there is a very precise

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