Pupils from Glebelands primary school in Chatteris took part in Young Voices at the O2 Arena in London.
The 40 pupils all belong to the school choir and have been practising the songs since last September.
In total, 7,592 pupils performed to a full house at the two-hour event at the O2.
Music Teacher, Helen Reece, said: “The children have been looking forward to their trip to sing in London since the beginning of the school year in September.
“They have worked really hard to learn all the songs. It was very exciting for them to sing at such a large venue with so many other children and with a live band to accompany them. It was a truly memorable day for them.”
Headteacher Lisa Sharratt said: “It was an honour to accompany this group of talented musicians on such a memorable visit. One school managed to take all 400 children to the event – now there’s an aspiration for the future!
“The children from Glebelands had to put in an incredible amount of work in their own time and were a real credit to the two teachers who had worked so hard to support them.
“We were also very grateful to all of the parents who travelled to London to watch the concert. It was a real team effort.”
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