He was crucified for out-of-tune food song (3,2,3)

I believe the answer is:

son of god

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'he was crucified' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'out-of-tune food song' is the wordplay.
'food song' anagrams to 'SON OF GOD'.
However, I'm unsure how the anagram is indicated.

'for' acts as a link.

Can you help me to learn more?

I've seen this clue in the Sydney Morning Herald.

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