arranged by [arreglo de teclados], keyboards Carlos Cárcamo
artwork Teo Puebla
bass Manolo Aguilar
drums Miguel Angel Bullido
guitar, alto vocals Lorenzo Gómez Holgado
guitar, vocals Antonio José Escobar Gutiérrez
photography by Gigi
producer Gonzalo Garciapelayo
producer Julio Palacios
technician [sonido] Luis Miguel Gonzalez
vocals José María Carrillo
vocals José Segovia Luna
vocals Juan López Vázquez
Manufactured By Sonic, S.A.
Phonographic Copyright (p) Movieplay
Recorded At Audiofilm
(P) 1979 Movieplay - Made in Spain
Rights Society: S.G.A.E.
Matrix / Runout: 17144273 A (A side)
Matrix / Runout: 17144273 B (B side)