Yahoo! Music UK — world entertainment news - Coldplay frontman Chris Martin gave Apple employees a special treat on Wednesday when he performed a surprise show during a convention in California. more info

Undercover, Australia — The Coldplay frontman has performed the unreleased piano ballad ‘Wedding Bells’ for Apple. more info

BBC 6 Music — A new Coldplay song rings out at Apple event more info

Idolator — Today Apple’s Steve Jobs unveiled some new, exciting gadgets and updates—iTunes 10!— that will no doubt revolutionize our lives yet again (and will hopefully not need a bumper case to work properly). Following the exciting tech news, Coldplayâ€... more info

NME — Singer debuts new track 'Wedding Bells' in San Francisco more info

Gigwise — In San Francisco... more info

Guardian Music — Balancing ballast with beauty, these two sisters from Alabama offer a rocked-up folk take on Fleetwood MacHometown: Birmingham, Alabama.The lineup: Catherine Pierce (vocals, guitar), Alison Pierce (vocals, guitar).The background: The Pierces aren't n... more info

Gigwise — As part of a new mixtape... more info

MTV.com News — We speculate on who might appear onstage in Detroit and New York and divulge which artists we'd like to see.By Shaheem Reid Eminem and Jay-Z Photo: Getty Images No spoilers here. We have no advance knowledge of what you are about to read. B... more info

Gigwise — The rapper admits... more info