It’s no good interrupting an SOS for music (5)

I believe the answer is:

songs

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'it's no good interrupting an sos for music' is the definition.
I can't judge whether this definition defines the answer.

'it's no good interrupting an sos' is the wordplay.
'it's no' becomes 'n' (common abbreviation).
'good' becomes 'g' (abbreviation).
'interrupting' indicates putting letters inside.
'n'+'g'='ng'
'ng' put within 'sos' is 'SONGS'.

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(Other definitions for songs that I've seen before include "Being 16 [SINGERS] , they would produce these" , "Musical compositions with words" , "Verse" , "Words with music" , "Melodies with words" .)

I've seen this clue in the Evening Standard.

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