Sign of the times: "A cell-phone ring tone appeared set to top the British singles chart Sunday, outselling the new single by the band Coldplay by nearly four to one... 'Crazy Frog Axel F', a ring tone based on the sound of a revving Swedish mo-ped, is the first tune being used on mobile phones to cross into mainstream music charts... Coldplay had hoped to go straight to No. 1 on this Sunday's British singles chart with its new song, 'Speed of Sound'. But by Saturday, it appeared that the ring tone -- which is available for digital download and as a compact disc single -- would prevail..."