Unofficial Brazilian compilation, supposedly on the (then) state-owned imprint, Arena Productions/Quadra Ltda. of Chile.

A: MPB Rarities
B: Psych/Prog Rock

A1: Listed as Rio De La Felicidad
A3: Listed as Pero Que Vida Es Esta?
A4: Listed as Noturno
A5: Listed as Voy A Trabajar
B1: Listed as Caballeros Negros
B3: Listed as Montaña Púrpura

Heavyweight gatefold card sleeves

Matrix / Runout: ADLP-28 A (Etchings Runout Side A)
Matrix / Runout: ADLP-28 B (Etchings Runout Side B)