Crossword Genius

Director creates music around sets, releasing tension (8)

Ross

I believe the answer is:

scorsese

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'director' is the definition.
(Martin Scorsese director)

I don't understand the rest of the clue.

Can you help me to learn more?

(Other definitions for scorsese that I've seen before include "Hit (by an idea)" , "Martin . . . . . . . ., film-maker" , "Martin -, US film director (Taxi Driver)" , "Martin ___, director of Goodfellas and Raging Bull" .)

I've seen this clue in The Irish Times.
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