Ed Stewart launches this year's music marathon in support of the BBC's Children in NeedAppeal. During the next 24 hours listeners are invited to pledge a donation in return for a music request or dedication by calling [number removed]. Teams of volunteers will be takingcalls night and day- lastyear, over
Ll million was raised by generous Radio 2 listeners. Celebrity guests will be joining regular presenters to help ensure as many pledges as possible are read out on air, and there will be regular updates on how last year's donations were spent.