Last December, guitarist Joe Satriani sued Coldplay, claiming that the group lifted "substaintial original portions" of his 2004 composition If I Could Fly for their recent Grammy-winning song Viva La Vida.

Coldplay have denied such allegations, and Martin says that he has tried to turn a negative experience into a positive: "Some people are suing us at the moment and although it was initially a bit depressing, now it's become really inspiring," he said in an interview for Coldplay's official website, Coldplay.com.
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