The stunning performance comes ahead of the Mercury Prize on Thursday
The coverage will begin on September 21
Next summer's festival season is shaping up...
He'll play dates at London's O2 Academy Brixton and Alexandra Palace next year
Who should get the trophy?
They're all competing for the biggest prize in British music
"We are so beautiful and have such a wonderful history of strength, overcoming, talent, innovation, creativity, invention and love."
The singer is now due to complete his tour this autumn
"All I wanted to do was give the best shows that I possibly could. "
Mac De Marco, Goldfrapp and Caroline Polachek are also on the Welsh festival's bill