Over the last few years, the Gulf Coast Jam, a multi-day concert blowout held every spring in Panama City Beach, Florida, has become one of country music’s leading festivals, pulling in headliners ...

For years, the country music star struggled to stake a claim to the version of himself that now seems inevitable. Shaboozey performing in Fort Lauderdale, Fla., in October.Credit...Sinna Nasseri for ...