When Juvenile and Mannie Fresh played Tiny Desk in 2023, two things were immediately apparent: People still lose their minds when the plucked strings kick off “ Back That Azz Up ,” and the rapper who started off making bounce tracks for crawfish boils in New Orleans’ Magnolia Projects still loves nothing more than making people dance (except maybe for women’s asses). The past decade or so has been very kind to these two Cash Money Millionaires. Juvie’s old-man rasp and ability to command a beat are now recognized as among the best in his generation—something longtime fans always knew but is now conventional wisdom, surely helped in part by Kendrick Lamar nicking the “ Ha ” flow on a Pulitzer-winning album . Fresh, meanwhile, has ascended to the pantheon of legendary New Orleans producers, positioning himself as the 21st century Allen Toussaint .…