Least shabby ditties composed (7)

I believe the answer is:

tidiest

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'least shabby' is the definition.
I can't judge whether this defines the answer.

'ditties composed' is the wordplay.
'composed' indicates anagramming the letters.
'ditties' with letters rearranged gives 'TIDIEST'.

Can you help me to learn more?

(Other definitions for tidiest that I've seen before include "optimally arranged" , "Neatest" , "most trim" , "smarter than anything" , "Extremely organised" .)

I've seen this clue in The Mirror.

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