Facsimile reissue of the 1984 LP released by Unió Music includes a bonus 7" featuring four previously unreleased tracks recorded by Polonio during the same period of 1976-1984. All Tracks Recorded Between 1976-1984 in Laboratorio electroacústico PHONOS de Barcelona. Mixed in April 1984 at Gabinete de Música Electroacústica de Cuenca. Printed innersleeve with photo and composer's information in spanish and catalan.
