US band admit to larking around with new producer
Band line-up a summer release date for fifth studio LP
'Arabia Mountain' set for June 6 release
Bassist and vocalist says working with producer Mark Ronson was 'really awesome'
Jamie xx, The Whip and Those Dancing Days also on the bill
Atlanta band have been working with the producer on their forthcoming fifth album
Atlanta rockers hoping it will be out 'by the end of summer'
Atlanta rockers to hit the road throughout March and April
The band kick start the tour in January
'He got what was coming to him,' Williams says