Edwyn Collins also added to line-up for December event
Charity campaign will help raise awareness and support for young people with cancer
Yannis Philippakis compares Welsh act to 'a boney old chihuahua pissing on its own leg'
Singer leaps into moshpit at London's Roundhouse
'Antidotes' sleeve creator set to show rare work
Band says it would be the perfect present for the festival's 40th anniversary
Band bring 'Total Life Forever' to Worthy Farm
Oxford band will play Cardiff's Clwb Ifor Bach on June 24
Acts will join Roxy Music, Massive Attack and LCD Soundsystem at the event
The band are premiering clip for new single with NME