C129 Unwittingly Inserting a Willow into a Tree(1)

The so-called "Copy" band refers to a band that is stationed in a bar or other entertainment area and specializes in singing other people's works, and the singing track depends on the customer's preference. The band members didn't need much skill, but they needed to memorize a lot of score points. It could be said that a Copy band's performance made a lot more money than an original band