NFT bundles of rare concert tickets from four (4) nights at Chicago Stadium in 1980 of Led Zeppelin shows that never happened because drummer John Bonham passed away weeks prior to the scheduled dates. "NFT bundles" contain a physical item plus a one-of-a-kind digital token (NFT) that confers ownership. Listen to the owner of Rock-Expo.com, Michael Dehn, describe the fascinating story behind the tickets and exactly how these will be sold to interested music collectors,