On September 28th we can finally get our hands on An America Treasure, the 60 song Tom Petty box set. It will include previously unheard songs picked out by some of Petty's closest family members, friends and band mates. Until then, we have a taste of what we can expect with the release of "Keep a Little Soul," which was originally from a session for the Long After Dark album. Check out the never before seen footage below....