Hot stuff from Coldplay

Coldplay have unveiled five songs from their third album, X&Y, at Los Angeles' Universal Amphitheatre as part of a benefit concert.

The night before, the group debuted the new songs during a surprise show at the city's intimate Troubadour club.

Coldplay seem to be using their 2002 smash hit Clocks as a launching pad for the new songs, several of which echo that track either in structure or feel.

The Chris Martin-led act opened the benefit with the new song Square One, which the singer described as "designed to be played live". The energetic tune was marked by the lyric "You wonder if your chance will ever come/or if you're stuck at square one".