Welcome to this week's Release Round-Up! Tom Petty, An American Treasure (Reprise) 4CD: Amazon U.S. / Amazon U.K. / Amazon Canada 6LP: Amazon U.S. / Amazon U.K. / Amazon Canada 2CD: Amazon U.S. / Amazon U.K. / Amazon Canada This career-spanning retrospective of rare and previously unreleased material from the late Tom Petty arrives on Reprise Records. The aptly-titled An American Treasure will be the first posthumous collection of Petty material, and it should prove a vital