As it happened: Hadrian's Wall of Sound
Pictured here at the costume call for their last show, Carlisle Musical Society, external will be performing at the A689 Lane End bus stop in Carlisle.
They're set to play a medley of songs such as Ain't No Mountain High Enough by Nickolas Ashford and Valerie Simpson and Summertime from Porgy and Bess.
Image source, Carlisle Musical Society 
BBC Radio 3
This is our Breakfast studio today at Hadrian's Wall:
Alison Freeman
Look North, Newcastle
Here's singing cyclist David Burbidge warming up before he takes the musical baton on Hadrian's Wall of Sound:
"So much love for Hadrian's Wall of Sound," says BBC Look North's Tara Parshar.
Rachel Kerr
BBC News
The students are being pulled in a little train behind the tractor. They are in fine spirits and voice. It has been fantastic so far.
BBC Look North
Just want to highlight how cool the tractor pulling the Cumbria Uni singers is:
Rachel Kerr
BBC News
The bus arrives at Walby and the baton is handed over to the Carlisle university students.
BBC Newcastle
Here's one of the performers
BBC Newcastle
The next part of the BBC Music Day Hadrian's Wall of Sound relay has a pretty epic mode of transport.
Rachel Kerr
BBC News
Here's Carlisle uni students being filmed performing In The Jungle. They're in good spirits and sound great.
The bus is on the move again from Carlisle with a jazz band in board. We're on the way to Walby Farm Park.
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Carlisle New Orleans Jazz Band will be tearing it up in a few minutes on the vintage bus.
Image source, Carlisle New Orleans Jazz BandBBC Look North
Click here for six seconds of mylittlebrother on the bandstand in Carlisle, external.
Anthony Day
BBC Newcastle
Wallsend-born Guitarist Tom Lapworth, external, who was the second act to play, told me: "It's been absolutely phenomenal, just seeing the variety of performers, it's wonderful to see people pooling their resources.
"I've been learning the guitar since I was 10 and I've been learning ever since then. I'd love to make a living from it, it's my ultimate ambition."
Rachel Kerr
BBC News
We've already had some great different types of music and it's all sounding fantastic.
BBC Look North
We are now in Carlisle with mylittlebrother, external who are playing some amazing tunes on the bandstand:
Jayne McCubbin
BBC Breakfast
And this was one of the runners handing over the baton in Burgh By Sands:
Nell Dunn
BBC Radio Cumbria
Here's another view of Roz Sluman starting it all off - you really get an idea of how beautiful Bowness-on-Solway is.
Rachel Kerr
BBC News
It was a lovely scene at the church in Burgh as the Dalston Male Voice Choir performed. A number of people came out to watch the baton arrive and listen to the beautiful singing,
The baton's back on the vintage bus now and we're heading into Carlisle.