Singer says 'wheels are turning' for band's first LP since 2012
Flowers and co were joined on stage by Louis XIV guitarist Brian Karscig to cover his song
Killers frontman cites "unforseen circumstances" for changes
The band make live return and perform 'The Bucket' and 'Use Somebody' at Firefly festival in Delaware
Singer claims his band are underrated in new interview
The singer discusses changes in the music industry in new interview ahead of solo album release
Singer tells NME that the band need to 'all get on the same page' before next LP
The singer says they need 'a little bit of that drive and that hunger back'
The Black Keys, Fall Out Boy, Ed Sheeran and Green Day will also feature on Guitar Hero Live's playlist
Festival takes place in Delaware, USA in July