Crossword Genius

Song book, one helping in church (3,6)

Ross

I believe the answer is:

lay reader

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'one helping in church' is the definition.
The answer is a person as well as being a singular noun. This is suggested by the definition.

'song book' is the wordplay.
'song' becomes 'lay' (poetic term for a song).
'book' becomes 'reader' (reader is a kind of book).
'lay'+'reader'='LAY READER'

Can you help me to learn more?

(Other definitions for lay reader that I've seen before include "who carries out some services" , "Parish assistant" , "volunteer for service?" , "assistant to minister" , "Minister's assistant" .)

I've seen this clue in The Times.
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