普通音乐和免版税音乐之间的区别是明显的. 储存音乐的权利属于一个特定的公司，被称为图书馆. The latter chooses to purchase music pieces from independent artists or hires creatives to whom it assigns projects. Customers are forced to pay additional fees every time they want to use the tracks they’ve already purchased. 当涉及到免版税的库存音乐时，消费者只需一次性支付费用.