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The first in the series, if you like them ?, work out the riddle
I was born in this town
But sadly for years wore a frown
I wrote a wee rhyme
That has got famous through time
On a Sunday you may hear it
You will recognise the first bit
So who or what am I........
You can validate your puzzle solution with certitude.
. Thank you to dwarferkev34 for the idea and the permission to use said idea !