Voice: Mocedades - Artist: Río Roma - Producer: Jacobo Calderón - Voice: Izaskun Uranga Amezaga - Voice: José Miguel González Robles - Voice: Rosa Rodríguez Pérez - Voice: Idoia Uranga Amezaga - Voice: José María Santamaria Álvarez - Voice: Toni Menguiano López - Vocal Arranger: Jacobo Calderón - Orchestra: Orquesta Sinfónica de Bratislava - Guitar: François Le Goffic - Trumpet: Miguel López - Trombone: Pablo Molina - Bass: Alfredo Paixao - Drums: Toni Mateos - Mix Engineer: Jacobo Calderón - Mix Engineer: Caco Refojo - Mastering Engineer: Carlos Hernandez - A&R: Jorge Loayzat