composed by Manuel Alejandro
conductor David Beigbeder
engineer José Antonio Alvarez Alija
engineer [ayudantes] Antonio Lomas
engineer [ayudantes] Maurizio Gaudenzi
executive-producer Manuel Diaz-Pallares
photography by José María Castellví
producer Manuel Alejandro
producer [colaboran en la producción artística] David Beigbeder
producer [colaboran en la producción artística] José Antonio Alvarez Alija
tracks a1 to b3 written-by Ana Magdalena
tracks a1 to b3 written-by Manuel Alejandro
Record Company RCA, S.A.
Manufactured By Sonic, S.A.
Phonographic Copyright (p) RCA Records
Recorded At Estudios Sonoland
Published By Ed. RCA
Published By April Music
Printed By Offset ALG, S.A.
Recorded At Estudios Sonoland
White RCA Victor labels
[on labels:]
Promocional prohibida su venta
(P) 1979, RCA Records

Runouts stamped.
Matrix / Runout: PL-35232 A◇ 1 (Runout side A)
Matrix / Runout: PL-35232 B◇ 1 (Runout side B)
Matrix / Runout: PL-35232 A (Label side A)
Matrix / Runout: PL-35232 B (Label side B)
Price Code: Ⓑ
Depósito Legal: M. 40 285-1979 (In label)
Depósito Legal: M. 40285 - 79 (In back cover)
Rights Society: SGAE (Boxed)
Other: Permiso num. 3.724 (Imp. Lujo a metalico)