The term of protection of copyright is 50 years before and after the author's death, ending at 65438+February 3 1 in the 50th year after the author's death. If it is a cooperative work, it ends at 65438+February 3 1 50 years after the death of the last deceased author. When the copyright expires, the copyright is lost and the work enters the public domain.

The song is the same.