Watch the promo for 'A Song For Our Grandfathers'
The eBay auction currently stands at $1,725 (£1,116)
Band pay tribute to their hometown in first 'Late Show' performance since breakthrough moment in 2014
The singer collaborates with hip-hop artist Scallops Hotel under his Hemlock Ernst moniker
The song was recorded direct to vinyl at Studio Three at London's Abbey Road
Only one store in the world will stock the Abbey Road recorded vinyl release
The band performed 'The Haunted' and 'The Chase' at Sheffield's The Plug
They will play Manchester, Glasgow and Newcastle