Syncopated salsa rhythms unfortunately dominate all else in Puerto Rico, including the performing arts. But colossally cosmopolitan San Juan is nevertheless top dog in the Caribbean for its range of entertainment. Cafes and galleries, besides bars and dedicated venues, offer varied live music. The theater scene is big in San Juan and Ponce, and catching a baseball game on the island is fun, too. Elsewhere, entertainment is often serendipitously impromptu.