Crossword Genius

Small group receiving former record company's 50% share of album? (10)

Ross

I believe the answer is:

semicircle

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

'share of album?' is the definition.
Although both the answer and definition are singular nouns, I can't see how they can define each other.

'small group receiving former record company's 50%' is the wordplay.
I cannot quite see how this works, but
'small' could be 's' (abbreviation - e.g. clothes size) and 's' is present in the answer.
'group' could be 'circle' (I've seen this in other clues) and 'circle' is located in the answer.
'record company' could be 'emi' (British record label) and 'emi' is present in the answer.
This accounts for all the letters.
This explanation may well be incorrect...

Can you help me to learn more?

(Other definitions for semicircle that I've seen before include "Shape like a D" , "D shape, approximately" , "Half-moon shape" , "figure" , "D, for example" .)

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