Try this site and you can listen to many of the songs(some not too well performed) and get some new ideas. Click on any of the titles and can click on MP3 or other player to hear them

http://www.chivalry.com/cantaria/lists/alpha.html

      Just copy and paste into address bar and go straight there.
Best wishes and sure you will find something.....My favourite is "If I was a Blackbird"