Paul Anka: Co-Writer of 'This Is It'?

Michael Jackson's estate is acknowledging that Paul Anka co-wrote the pop singer's first posthumous single, "This Is It."

Anka said Monday Jackson's estate has moved quickly to resolve the situation, and he has been promised 50 percent of the song's profits.

Anka says he's satisfied with the outcome.

Michael Jackson's "This Is It" was released Monday on the singer's official website and sent to radio stations.

Source: MJFC / AP / Thanks Paul MJCool!