The Sheffield Young Singers choir has been invited to the prestigious Voices Now! festival in London on Saturday.
Voices Now! is a three-day celebration of singing featuring 15 choirs from around the UK.
The groups range from gospel choirs to folk ensembles, school groups to all-male collectives.
Sheffield Young Singers is the only youth choir to have been invited to sing.
Its members are aged between 11 and 18 years old.