This is a kitschy samba song about a duck, a goose, and other water birds, all quacking about who each other are, the:
Quém, quém, quém, quém
Quém, quém, quém, quém
lines at the end are a bit of onomatopoeia meant to resemble the quacking of a duck, and can be translated into: who? who? who? who?
This is a samba song which means it is about impossible to play on guitar and sing at the same time. The combination of the samba rhythm and smooth contrapuntal singing defines the Tropicália movement in my opinion. Here are two legends of Tropicália: Joao Gilberto and Caetano Veloso, singing the song:
Natalia's version is by far the best though:
You can find tab for the song here, or get the song from amazon: O Pato (The Duck)
