This story is available exclusively to Insider subscribers. Become an Insider and start reading now. The pandemic broke the traditional music industry playbook, so Kings of Leon got creative. Manager Andy Mendelsohn teamed up with Josh Katz of YellowHeart to design an NFT album launch. Katz told Insider how the tech opens up new possibilities for artists to engage with fans. A little over a year ago, Grammy Award-winning rock group Kings of Leon had just wrapped up recording a new album and were getting ready to go on tour to promote it when the COVID-19 pandemic brought the live entertainment industry to a grinding halt.