They sang along with the Durham Cathedral Choristers.
Schools taking part included Albany Village Primary, Eppleton Academy Primary, Farringdon Academy, Fatfield Academy, Gillas Lane Primary Academy, Grangetown Primary, Hill View Junior Academy and St Patricks RC Primary.
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Pupils from schools across Sunderland, Hetton, Washington and Houghton travelled to Durham Cathedral to perform as part of a project.
Months of hard work come to fruition.
The children in action
This term's Music Outreach Celebration was developed with Sunderland Music Hub.
Sunderland City Council portfolio holder for childrens services, Councillor Louise Farthing, said: The concert is the result of months of hard work by the children, their teachers and Music Hub and Im sure they will have fond memories of it for many years to come.
Some of the children doing a great job at the concert.
Durham Cathedral's choristers team up with the 200 children from schools across Wearside.
A special day for children, staff, parents and friends.