Danish police sent a busker home to practise, saying: "Just because you can play Wonderwall does not mean you should."
Officers in the city of Aalborg stopped the guitarist from performing his set, claiming he was playing "very badly and loudly".
A statement on the Nordjyllands Politi website said the busker "certainly did not sound like Liam Gallagher."
The man, who has not been identified, was playing on the evening of the 17 August when police intervened.
The police statement, titled: "TODAY IS GONNA BE THE DAY THAT THEY'RE GONNA THROW IT BACK TO YOU", said: "A guitarist had settled in front of 7/11 on the Bispensgade in Aalborg on the evening of Thursday 17 August.
"The guitarist played very badly and loudly. He certainly did not sound like Liam Gallagher.
"A patrol talked to the singer and sent him home to Ove. Just because you can play Wonderwall does not mean you have to."
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