He played for Bianchi's Boca, had stints at Racing and European clubs, but distanced himself from football: "Shady dealings exist all over the world"

Spanish global music star Antón Álvarez, widely known as C. Tangana, spent three years filming Yerai Cortés, a virtuoso Romani guitarist.

The documentary project began after Álvarez, also known as C. Tangana, first heard Cortés play the guitar at a party organized by producer Javier Limón. Over the three-year filming period, the creative process uncovered elements that went beyond music alone.