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"So many people had made up their minds about us already that we had nothing to lose."
The band frontman also includes guitarist Jonny Buckland, bassist Guy Berryman and drummer Will Champion - are now "tighter" after receiving "vitriolic criticism" for 'Viva La Vida'.
Chris added: "I'll be honest. On the last album a few things happened that we'd never experienced before, like lawsuits and really vitriolic criticism.
"After all that hurt it makes you tighter and adds fire to everything. It was a closing of ranks".
Guitarist Joe Satriani had filed a copyright infringement against Coldplay in December 2008 after claiming 'Viva La Vida' took elements of his track 'If I Could Fly'.
Coldplay originally 'Mylo Xyloto' acoustic record, but the plan was scrapped when they planned their latest single 'Paradise' was written.
Will explained to The Sun newspaper: "We'd started an acoustic album but then we wrote 'Paradise' and knew the acoustic thing didn't have any legs."
He told coldplay.orange.fr: "In the smaller places people can smell you more, which is a bad thing, because we get hot.
"A stadium is, in some ways, easier because no one is offended by the way you smell.
"But there are also advantages to smaller venues, there's a lot of firey energy and even slow songs sound very powerful and, of course, I love seeing my favourite artists in small places."
Drummer Will Champion admits that he's a small venue is a bit daunted, because they are related to the band rush.
He added: "In the small shows you can see every person's facial expressions, you can see if they are on their mobile phone, you can see everything, so it's a bit more nerve wracking."
Speaking to Rolling Stone, the singer said that while the band as they were concerned that they could not believe he was not worried about the "take anything for granted."
He said, You can't take anything for granted anymore. It doesn't matter if you used to be big or used to be famous, you've got to prove yourself all over again. We don't have any immediate touring plans. We've just got to wait and see if anyone is interested in listening to the album.
He continued, I don't really care anymore about being relevant. I'm just happy to be with that group of people. We're very fired up and we're very focussed and the people who want to enjoy our music, we love them and we welcome them. In terms of where we fit in? I don't care.
Bassist Guy Berryman said: ‘The iTunes Festival always has a brilliant cross-section of artists but this year might just be the best ever. We’re very proud to be part of such an impressive line-up.’
Now this year iTunes Festival will reveal 62 acts to perform gigs at the Roundhouse over the full month of July.
Chris Martin's wife, actress Gwyneth also a festival where his new cookery book form Note From My Kitchen must have been talking about has been appointed to.