Answer:
intellectual property rights.
Explanation:
Intellectual property rights are the exclusive rights granted to a person for the use of their creation. The rights give a person a monopoly to profit from their invention or production for a specified duration. Intellectual property rights are granted through copyrights, trademarks, and patents.
Buying a song online and copying it to friends denies the musician revenues. Those friends will be get entertained through the efforts of the musician without paying.
