From TomPetty.com:
On September 28, Reprise Records will release An American Treasure—a career-spanning Tom Petty box set. The 60-track set unveils dozens of previously unreleased recordings, alternate versions of classic songs, rarities, historic live performances and deep tracks that spotlight Tom’s remarkable depth and evolution as a revered and tremendously influential songwriter, recording artist and performer. An American Treasure marks the first release of Tom Petty music since the artist’s tragic passing in October 2017.