用版權其已經超過的音樂，對於參與者，仿效其他知識產權的做法，要他們簽署放棄版權書。

來源: 笑薇. 於 2017-11-17 16:47:09 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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