It comes after former choirmaster Michael Brewer, 68, was convicted of abusing pupil Frances Andrade at the school in the 1970s and 1980s.

BBC: Chetham's school sex inquiry: 'More than 30' report abuse

Former choirmaster Michael Brewer, 68, of Selly Oak, Birmingham, was convicted of abusing pupil Frances Andrade at the school in the 1970s and 1980s.

BBC: Chethams School of Music

It was started three years ago by choirmaster Grenville Jones and there are now more than 40 sessions a week in places such as Keynsham and Swindon.

BBC: Sir Cliff Richard becomes patron of Bath-based charity

There will be a choir of 200 children from Cornwall joining with thousands of others around the country in a massive choral performance of Avril Lavigne's Keep Holding On led by BBC 2 choirmaster Gareth Malone at Television Centre in London.

BBC: Children in Need 2011 in Cornwall