Record Company Fábrica De Discos Columbia S.A.
Distributed By Columbia, S.A.
Manufactured By COFASA
Printed By FOCO, S. A.
Gatefold sleeve.

Explanatory liner notes plus images inside gatefold to describe how stereo sound is produced.

FOCO, S. A. (1974)
Matrix / Runout: 1151 A (Center label, A-side)
Matrix / Runout: 1151 B (Center label, B-side)
Matrix / Runout: 1152 A (Center label, C-side)
Matrix / Runout: 1152 B (Center label, D-side)
Rights Society: BIEM
Other: PFS 30506 (Cat#, record 1)
Other: PFS 30507 (Cat#, record 2)
Depósito Legal: M-30797-1972 (Record 1)
Depósito Legal: M-30798-1972 (Record 2)