The ganzá (Portuguese pronunciation: [ɡɐ̃ˈza]) is a Brazilian rattle used as a percussion instrument, especially in samba music.

[1] The ganzá is cylindrically shaped and can be either a hand-woven basket or a metal canister which is filled with beads, metal balls, pebbles, or other similar items.

They are usually used to play a rhythm underneath the rest of the band.

The ganzá is classified as an indirectly struck idiophone.

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