何謂「無版權音樂（Non-Copyrighted Music）」？
「無版權音樂（Non-Copyrighted Music）」是指那些可能是版權到期、或是版權公司特意免除了版權的商用音樂，在音樂市場中只有極少數為此類。
Record producer or audio engineer workplace, recording studio control room interior cartoon vector with armchair near mixing console, loudspeakers, live room with microphone under glass illustration
『一首歌是如何完成的？要花多少錢來做？』
『做一首歌要花多少錢？是如何完成的？』 做一首歌要花多少錢？...