A person who sells music that was created by someone else could?

A person who sells music created by someone else could be infringing on copyright laws if they do not have the proper permissions or licenses from the original creators. This could lead to legal consequences, including fines or lawsuits. However, if they have obtained the necessary rights, they may operate as a legitimate distributor or retailer of that music. It's essential for such individuals to understand and comply with copyright regulations to avoid potential legal issues.