According to BBC News:
A school for deaf children has used British Sign Language to perform the national anthem for the Coronation.
Pupils from Royal School for the Deaf Derby's choir used British Sign Language for the performance, while Derby Cathedral's choir sang in accompaniment.
The school said it wanted to do something special for the Coronation.
The performance was recorded and has been shared on the school's social media sites.
Head teacher Paul Burrows said: "Our school is the only Royal school in the area and we wanted to do something really special to mark the Coronation and Deaf Awareness Week.