用版权其已经超过的音乐，对于参与者，仿效其他知识产权的做法，要他们签署放弃版权书。

来源: 笑薇. 于 2017-11-17 16:47:09 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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