Singer accuses Chris Martin and co of ripping him off
Band to give away live CD at gigs and as a download
Band legally discount Joe Satriani's claim
Takings for UK talent have risen by £20 million in a year
Vampire Weekend, Yeah Yeah Yeahs, MGMT also on the bill
They add a string of new dates to summer outing
Local heroes also turn out in force at Sound Relief
'We've given her the best Coldplay song ever', says Martin
Coldplay, Robert Plant and Alison Krauss sell record numbers
Band upset after no win despite four nominations