KING David High School choir performed alongside 6,000 children at the Manchester Evening News Arena in a record-breaking mass choir event.
They were part of a national performance in Manchester, Birmingham and London.
Music teacher Hazel Buckley, who runs the choir, said: "It has grown in number in the last year.
"To take almost 20 dedicated musicians to perform at an event of such prestige was wonderful and an exciting opportunity for our students."
With 11,000 people clapping and cheering "it was an experience to treasure".
She added: "I feel proud, and hopefully this will give them a taste for performance, as we are now moving on to rehearse in preparation for the tour to Cologne in the summer."
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