Sometimes being privy to what happens behind-the-scenes of any kind of creative project can detract from the the magic of the end result. But Bob Dylan's new bootleg release highlights an artist at work, and the delicate balance of bringing a song to life. Take a peak behind Dylan's "Subterranean Homesick Blues" and other hits when they were just notes on paper as NPR Music's First Listen brings you these recording sessions before they're officially released on November 5.