"Call on Me" is a song by American singer Janet Jackson with guest vocals from American rapper Nelly from Jackson's ninth studio album, "20 Y.O." (2006). It was written by Jermaine Dupri, Johnta Austin, James Phillips, Cornell Haynes Jr., James Harris III and Terry Lewis, and produced by Dupri, Phillips, Jam and Lewis, in addition to Jackson. "Call on Me" was released as the album's lead single on June 19, 2006, by Virgin Records. The song is a mid-tempo ballad which talks about calling on a person when a friend or somebody to listen is needed.