Sent up with acceptable songs (5)

I believe the answer is:

tunes

'songs' is the definition.
(I know this)

'sent up with acceptable' is the wordplay.
'up with' indicates anagramming the letters (letters get chucked up).
'acceptable' becomes 'u' (as in U and non-U speech).
'sent' with its letters mixed up with 'u' can make 'TUNES'.

(Another definition for tunes that I've seen is " Airs, melodies".)

I've seen this clue in The Mirror.

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