1. Do not make commercial profits.

2. Obtain consent from the copyright holder.

Cover refers to re-singing a song that has been published and sung by others according to your own style, including re-writing lyrics and arranging music. Nowadays, many celebrities are covering other people's songs, constantly breaking through themselves in the covers, and bringing different styles to everyone.

Infringement refers to behavior that infringes on the rights or interests of others. It includes general torts and special torts. The former refers to the behavior that directly causes harm to others based on the actor's fault, so the general liability provisions of the civil law are applicable.