O A e o Z
# O A e o Z

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O A e o Z (also known as A e o Z, or "A" e o "Z", Portuguese: The A and the Z) is an album by Brazilian rock band Os Mutantes. It was their first record without founding member Rita Lee, and marked a shift in their sound to progressive rock. Recorded in 1973, but shelved until 1992, this was Arnaldo Baptista's last studio record with the group.

## Track listing

All tracks are written by Arnaldo Baptista, Sérgio Dias, Liminha and Dinho Leme.

## Personnel

### Os Mutantes

* Arnaldo Baptista – Hammond organ L100, Mellotron M400, Hohner clavinet C, cello, lead and backing vocals
* Sérgio Dias – electric (Régulus II and Fender Stratocaster) and 12-string acoustic guitars, sitar, lead and backing vocals
* Liminha – bass guitar (Regulus and Rickenbacker 4001), acoustic guitar, backing vocals
* Dinho Leme – drums, tabla, backing vocals
