Musical cabinets not keeping time (5)

I believe the answer is:

chess

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'musical' is the definition.
(Benny Andersson and Bjrn Ulvaeus musical)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for chess that I've seen before include "Board game of 13, 16 and 21" , "Game with kings and queens" , "Pure-skill board game" , "form of battle" , "In which two bishops will participate" .)

I've seen this clue in The Independent.

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