Inventor embraces soprano's idea having been brought round (6)

I believe the answer is:

edison

I'm a little stuck... Click here to teach me more about this clue!

'inventor' is the definition.
(I know that Edison is a inventor)

'embraces soprano's idea having been brought round' is the wordplay.
'EDISON' is hidden backwards within the letters.
But, I'm uncertain how this is indicated.

Can you help me to learn more?

(Other definitions for edison that I've seen before include "Inventor of the carbon filament lamp, d. 1931" , "He came up with microphone" , "Thomas Alva -, US inventor" , "US inventor of phonograph, electric light etc." , "No side to this american inventor" .)

I've seen this clue in The Irish Times.

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