Crossword Genius

G&S subtitle tip — often without change (3,4,2,6)

Ross

I believe the answer is:

the town of titipu

'gs subtitle' is the definition.
(subtitle of Gilbert and Sullivan's The Mikado)

'tip often without change' is the wordplay.
'change' indicates anagramming the letters.
'tip'+'often'+'without'='tipoftenwithout'
'tipoftenwithout' with letters rearranged gives 'THE TOWN OF TITIPU'.

I've seen this clue in The Guardian.
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