For her Future of Music cover story last week, Megan Moroney welcomed Rolling Stone into a writer's retreat where she played six songs she had written for her third album. On Sunday, the country star debuted one of them,

Ed Sheeran debuted new song 'Azizam' near Cafe Du Monde in the French Quarter, then led a short second line and performed some of his biggest hits. One young fan even got the surprise of a lifetime.

"I've got a new song coming in a couple weeks that no one's heard. This will be the first time it's ever been played live.," Sheeran told the crowd.