On a June afternoon, it seems like business as usual at the independent music company Thirty Tigers, as staffers file into its Nashville conference room, and colleagues dial in remotely. But this isn’t just any marketing meeting. They’re joined by Holly G, the founder of the Black Opry platform and its new record label, and the first artist she signed, Jett Holden. Everyone’s here to strategize about a one-of-a-kind album launch.