In Puerto Rico, the maximalist reggaetón of Daddy Yankee fueled a perreo frenzy beyond the Caribbean, and Calle 13 flipped the style further with their pedagogic lyrics and a riveting fusion of tribal alt-rock. Latin-pop explosion-it also spawned numerous new scenes and subcultures.

Though 1999 marked a big moment for the genre-with Marc Anthony, Ricky Martin, and Jennifer Lopez leading the U.S. At the turn of the new millennium, the revolutionary forces of Latin pop reached critical mass.