If the Cm13 is too hard, a Cm also can work. I figured out this on the ukulele, but it works just wonderfully on guitar too! :) Made by thatnerdwiththeuke.tumblr.com ( Tab from: http://www.guitartabs.cc/tabs/t/the_spinto_band/cookie_falls_crd.html ) [G]Knock on a door, Call out a name, Folding your arms toge[D7]ther [D7]Remember the more stops...