Steve [Martin] and Stephen [Colbert] Sing a Song About What It Means to Be a Friend March 16, 2016 Uncategorized cbs, duet, friendship, late show, song, stephen colbert, steve martin In the pantheon of Stephens/Stevens/Steves/etc. throughout human existence, these two are probably the funniest of the whole lot. Enjoy Colbert and Martin sing a song that will probably redefine your idea of what friends are.