2015 two CD release, the companion album for the exhibit includes 36 tracks from some of the most iconic artists of the day from Gordon Lightfoot and Neil Young to George Harrison and Ringo Starr. Included are a number of rare tracks including a 1968 demo by Kris Kristofferson of ‘If You Don't Like Hank Williams’, a previously unreleased version of Bob Dylan performing his ‘If Not For You’ with Lloyd Green and a performance of ‘Matchbox’ with Johnny Cash, Carl Perkins and Derek and the Dominos from The Johnny Cash Show.