Guitar: Ángel Cáceres - Artist: Ombligo - Voice: Ana Sobrino - Violin: Pablo Navarro - Voice: Bruna González - Voices: Álvaro Vallejo Rodríguez - Voice: Eduardo Molina - Mixer: Eduardo Molina - Mastering Engineer: Pedro Viñuela - Co-Arranger: Ombligo - Co-Arranger: Eduardo Molina - Co-Producer: Ombligo - Co-Producer: Eduardo Molina