“Si Una Vez” is Carin León’s fiery declaration of never again. Picture someone who gave every drop of affection—“todo mi amor y más”—only to receive indifference in return. In this Regional Mexican anthem, the singer looks back at his past devotion with a mix of regret and newfound strength, confessing that he must have been “loco” to ever promise his life for that love. Each catchy verse turns heartbreak into resolve, showing listeners that recognizing a toxic relationship is the first step toward reclaiming their self-worth.
Instead of wallowing, Carin flips the script: he predicts the ex will someday regret their coldness, while he proudly vows he “no lo vuelve a hacer.” The song’s vibrant brass, guitars, and León’s gritty vocals transform pain into empowerment, making it the perfect soundtrack for anyone ready to shout, “That mistake was yesterday—bring on tomorrow!”
Óscar Armando Díaz de León Huez, known professionally as Carín León, is a celebrated Mexican singer-songwriter born on 26 July 1989 in Hermosillo, Sonora. Specializing in regional Mexican music, Carín blends traditional genres like banda, mariachi, and norteño with contemporary styles such as pop and soul, creating a fresh and captivating sound.
Carín began his musical journey playing guitar at 15 and rose to fame with his band Grupo Arranke before launching a successful solo career in 2018. Known for hits like "A Través del Vaso" and "Me La Avente," he has become one of the most streamed Mexican artists worldwide. His artistic versatility earned him multiple Latin Grammy Awards and collaborations with prominent artists, while memorable performances at iconic venues like the Grand Ole Opry and Coachella have further cemented his international fame.