Composer sacrificing son for a Hindu deity (6)

I believe the answer is:

brahma

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'a hindu deity' is the definition.
(Brahma is an example)

I don't understand the remainder of the clue.

(Other definitions for brahma that I've seen before include "Heavy domestic fowl with feathered legs and feet" , "Hindu creator god" , "god to many Indians" , "being worshipped" .)

I've seen this clue in The Telegraph.

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