Certain kinds of works-for example, musical, dramatic, and literary works-may be fixed not in "copies" but by means of sound in an audio recording.

某类作品，比如音乐，戏剧和文学作品，可能没有在拷贝中，而是出现在音频记录中的声音。

youdao

I am not presently bound nor have I ever been bound by a recording contract of whatever nature nor have I recorded any dramatic or musical works of whatever nature.

本人特此证实现时及以往皆未受任何性质之录音合约所约束，同时本人亦从未灌录过任何性质之戏剧及音乐作品。

youdao