Brazilian psychedelic rock legends Os Mutantes' groundbreaking 1968 debut receives deluxe treatment with both vinyl and CD formats. The album captures the band at their most adventurous, fusing tropicália ideals with psychedelic rock experimentation. Rita Lee and Arnaldo Baptista's vocals create unique harmonic blend while Sérgio Dias's guitar work ranges from melodic to noise. The arrangements are wildly inventive, incorporating orchestral elements, electronic manipulation, and found sounds. Songs shift between gentle balladry and explosive experimentation. The production captures the band's controlled chaos. This package offers both analog warmth and digital convenience. Essential for understanding Brazilian music's experimental peak and psychedelic rock's international dimensions.