U2 have today (December 15) shared a video of the band performing ‘The Fly’ during their Las Vegas Sphere residency – you can watch it below.The band also shared a remix version of ‘Atomic City’ which you can listen to below. The song was originally released back in September and was the band’s first new song in two years.The song was a return to the post-punk of their heyday with a stirring guitar hook reminiscent of their 1983 hit ‘Sunday Bloody Sunday’ and a chorus that channelled Blondie.Watch the official video for ‘The Fly’ and listen to the remix of ‘Atomic City’ here:It comes after the band recently added four final dates to their Las Vegas residency at the Sphere.