Band debuted new single on Monday night prior to Dome gig
The song is the opening track on the band's seventh album, 'Drones'
Early single has not featured in band's live show since 2007
Dedication came during gig at Glasgow venue Barrowlands
Peter Darrington reveals 'terrible sinking feeling' when he heard band's new song
Band opened set at Ulster Hall with new song 'Psycho' from forthcoming album 'Drones'
Hear the first song from the band's seventh album, 'Drones'
The trio's seventh album is set for release on June 8 2015
New track 'Psycho' will be released tomorrow (March 12)
Pre-order information for the band's next album 'Drones' was accidentally revealed on iTunes