10 across
Pioneering
conceptual
artist
in
short
trade
event
(7)
Pioneering conceptual artist in short trade event (7)
hints
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hints
The definition is at the beginning of the clue.
How the clue works
The definition is Pioneering — think groundbreaking, highly influential. For the wordplay, take trade event, which gives you SALE, then in short means lop off the last letter to get SAL, and then drop conceptual artist Tracey EMIN inside it to get S-EMIN-AL.