Marcos Cao is a Spanish singer-songwriter recognized for his emotive and poignant style of music, which often blends elements of indie pop and alternative rock. He first garnered significant attention as the lead vocalist of the Spanish indie pop band La Sonrisa de Julia, where he was known for his distinct voice and introspective lyricism. With La Sonrisa de Julia, Marcos was an integral part of releasing successful albums and touring extensively, gaining a dedicated fan base across Spain and beyond.

After the band went on hiatus, Marcos Cao ventured into a solo career, which allowed him to explore his musicality and storytelling abilities further. His solo work typically showcases a maturity in songwriting and a deep understanding of the human condition, with lyrics that resonate with listeners on a personal level. Tracks like "Mañana mejor" and "20 Mil Perros" from his recent releases exemplify his talent for crafting catchy melodies that still carry substantial depth. Marcos's music, including singles like "Morder Carbón," "La Rompiente," and "Acuérdate de mi," continue to solidify his position in the Spanish music scene as a thoughtful and innovative artist.