http://itunes.apple.com/us/album/karaoke-traditional-christmas/id372887271
"Hark the herald-angels sing" by Felix Mendelssohn (1809-1847), arr by William Hayman Cummings (1831-1915) with lyric by Charles Wesley (1707-1788), George Whitfield (1714-1771) and Martin Madan (1726-1790) as Karaoke/Backing Track with lyrics, taken from The Traditional Christmas Carols CD available now on ITunes and Amazon MP3, produced by Green Panda Education. Follow us on twitter @GreenPandaEd.