Many of Cuba’s Golden Age stars are elderly or have died. “From the late 19th century and well into the middle of the 20th, Cuban popular genres, most of them dance music, swept the world: habanera, danzón, son, conga, rumba, mambo, cha-cha. And there’s salsa, which is mostly old Cuban genres reworked for modern tastes. Only American music has had a broader and deeper reach globally.”