Written, recorded, produced and mixed by Quimi Portet./ Co-production: Maria Acezat./ Sound engineer: Q.P. At drums recording of "Mai" and "Naftalina", has contributed Mac McEldon./ Assistent: Jordi Mora. Recorded and mixed by hand at "Cosmonáutica Comas" (Girona)./ Master: Scott Hull at Classic Sound./ Contribution at post-production: Joan Trayter./ Quisso Records: Anna Carrascal, Maria Acezat, Montse Nogués and Blai Chinchurreta./ Management: Anna Ma Carrascal and Triola from "Astros y atracciones Comas"./ Music editorial: STOLEN SONGS./ Art work design: José Luís Merino and Sandra González./ Photography: Jason Keith./ Band ethic-philosophical guidance: Lluís Massana and Antoni Coromina./ Psycho-motive power and nutritional dynamic: "Flip Jiménez and succesors of Júpiter Cencerro"./ Earth field: Arthur & Linda Hops. (Non-misfortune brigade the Guilleríes and the Collsacabra)./ Quality control at chorals passages: Mossèn Gallina./ The band: Antonio Fidel, Juan Carlos García and Quimi Portet (also known as: "Emerson, Emerson & Emerson")./ Ángel Celada plays drum at: "Vent boig" y "Bona nit"./ Pau Donés makes vocal harmonies at "Tècnicament perfecte"./ Adrià Puntí make harmonies at "Llum negra"./ All themes, lyrics and music from Quimi Portet, except "Amor gimnàstic", from Antonio Fidel, Juan Carlos García and Quimi Portet./ Pau Donés appears by courtesy of Virgin Records Spain Ltd./ Adrià Puntí appears by courtesy of Picap S.L./ Antonio Fidel appears (and disappears) by courtesy Athenas Bookshop from Cartagena./ Juan Carlos García, "the semigod of semibasement", appears by imposition of Arturo Mortgages./ Ángel Celada appears by courtesy of "Los del Jazz de Mendizorroza" Group. /