Instrument viewed in kaleidoscopic colours (7)

I believe the answer is:

piccolo

'instrument' is the definition.
(piccolo is a kind of instrument)

'viewed in kaleidoscopic colours' is the wordplay.
'viewed in' indicates a hidden word.
'PICCOLO' is hidden within 'kaleidoscopic colours'.

(Other definitions for piccolo that I've seen before include "Part of 14 [ORCESTRA]" , "High wind instrument" , "Shrill woodwind instrument" , "Smallest of the flute family" , "Instrument (meaning "little")" .)

I've seen this clue in The Telegraph.

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