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Group of four (7)

Ross

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6

7

quartet

'group of four' is the definition.
(I've seen this before)

This is all the clue.

(Other definitions for quartet that I've seen before include "Group of four performers" , "Two violins, viola and a cello string group" , "Set of four people" , "Stringed group" , "like a string one?" .)

I've seen this clue in the Universal, the Wall Street Journal, The Washington Post Sunday, the L.A. Times Daily, The Times, the New York Times, the Evening Standard, The Independent, The Guardian and the USA Today.
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