7/20 down
Film
figure’s
piano
recording’s
retained:
16
loses
nothing
(3,4,7)
Film figure’s piano recording’s retained: 16 loses nothing (3,4,7)
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The definition is at the beginning of the clue.
How the clue works
The definition is simply Film, pointing to a well-known movie. To get there, take THINK meaning "figure" and tuck EP (a recording) inside it to get TH-EP-INK, then add P for "piano", and finally take ANOTHER (the answer to 16 down) and drop the O ("loses nothing") to get ANTHER — put it all together and you've got your answer.