Stadium rockers will headline London's 'Festival Of Flame'
Singers speak out as a new campaign is launched to boost earplug use
The band follow previous performances by Lana Del Rey and Nicki Minaj
Singer says he shouldn't have tried joking on 'early morning TV'
The acts will play with the 'Mylo Xyloto' band across Europe this summer
Singer claims the title is causing him a headache with fans
Singer also jokes he wants to open a theme park and release his own fragrance
Frontman can't see any way his band can triumph over '21' songstress
The British bands will appear at the Secret Policeman's Ball