Neil Diamond, who indeed wrote most of the songs he is credited with performing as well. There is some evidence his original name was Cornelius Edelstein- the surname means ( Noble-Stone) in German-...
Stephen Barker Liles of the band Love and Theft, they opened for Taylor Swift on her 2008 tour.
It was Sir Elton John - http://www.youtube.com/watch?v=ngIIOrPjxmE
A composed song is a song that is played by instrumental use.
Both Dido and Led Zeppelin have had songs by that name.