Tickets go on general sale at 10am Friday from lincolncastle.com and www.ticketmaster.co.uk The "STING ... secured a date on ...

They are the last headliners to be confirmed and will join Olly Murs, Rag N Bone Man, Texas and Simple Minds on the castle stage. Sting, The Human League, UB40, Indie heroes James, Buzzcocks and ...