Os Mutantes’ sophomore chilled out on the wacky concréte experiments of their debut and, in doing so, unleashed another kind of classic. More conventional but still severely unconventional, a little polish and airiness smoothes out jarring elements without ever disguising the fact that Os Mutantes had more ideas (and were bolder with them) than many of the wildest bands of their era.
mutantes - a e o z (1973)
a capa original contava com a cachoeira desenhada por antonio peticov (’lightfall’, 1973). a banda foi dispensada da gravadora “sob a alegação de que o som da banda não era vendável e que poucos no Brasil de 73 absorveriam o conteúdo e o propósito das músicas [...]”.