In account, trained hitmen like songs of devotion (8)

I believe the answer is:

anthemic

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'like songs of devotion' is the definition.
I can't tell whether this defines the answer.

'in account trained hitmen' is the wordplay.
'in' indicates putting letters inside.
'account' becomes 'ac' (abbreviation for account).
'trained' is an anagram indicator (to train can mean to grow something into a shape).
'hitmen' with letters rearranged gives 'nthemi'.
'ac' placed around 'nthemi' is 'ANTHEMIC'.

Can you help me to learn more?

(Another definition for anthemic that I've seen is " powerful response".)

I've seen this clue in The Sunday Times.

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