Sergio Valverde Castillo | Guitar Maker | Interview at his workshop. - MaderaGuitarras
Guitar making course with Sergio Valverde Castillo - YouTube
Guitarras de Luthier on Twitter: "Nuevas guitarras de Sergio Valverde Castillo, reciente Ganador del Primer Premio del Concurso de Constructores de Guitarra "Antonio Marin Montero" celebrado en Granada, España, en 2017. Ven
Sergio Valverde Castillo | Guitar Maker | Interview at his workshop. - MaderaGuitarras
Sergio Valverde Castillo - Flamenco Blanca
Constructor de guitarras Sergio Valverde Castillo - Spanish Guitars handmade in Granada