Reached #1 on the Billboard Hot Latin Tracks.
Cristian Castro is known for his . In "Azul," he shifts from a soft, melodic verse to a powerful, belting chorus that requires significant breath control. The Production Cristian Castro- Azul (Remasterizado)
The song describes a "blue" love—meaning a love as deep and vast as the ocean or the sky. It uses "Azul" as a metaphor for the feeling of being completely immersed in a romantic partner. The Vocal Performance Reached #1 on the Billboard Hot Latin Tracks