Belle And Sebastian have shared their new single ‘Young And Stupid’ from their forthcoming new album ‘A Bit Of Previous’.The track, which you can listen to below, follows ‘Unnecessary Drama’ and the band’s ‘Shooting At You’ in support of victims of the conflict in Ukraine.The single comes with a message from actor Jon Hamm in reference to the time the Mad Men actor and Zach Galifianakis fed each other sweets on stage with the band at Bonnaroo Festival in 2015.“In 2015 at Bonnaroo, Belle and Sebastian invited Zach Galifianakis and me up to the stage during their set to toss gummy bears in each other’s mouths. Then [frontman] Stuart [Murdoch] got into the fun and demanded a catch as well,” said Hamm.“It was dramatic, stupid, and done with style and grace.