After intro, free to capsize instrument (5)

I believe the answer is:

sitar

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'instrument' is the definition.
(I know that sitar is a type of stringed instrument)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for sitar that I've seen before include "music producer" , "Plucked instrument" , "Hindu stringed instrument" , "Lasting from morning to night" , "Indian stringed instrument" .)

I've seen this clue in the Sydney Morning Herald.

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