Christopher Martin, lead singer of the British rock band Coldplay, performs during a concert in Guadalajara, Mexico

Christopher Martin, lead singer of the British rock band Coldplay,
 performs during a concert in Guadalajara, Mexico

Watch your back

Chris Martin and Coldplay perform during the 2009 All Points West Music & Arts Festival at Liberty State Park on Sunday, Aug. 2, in Jersey City, N.J.
MSNBC.com

Mud, music and mayhem (Reuters)

A concert goer plays in the mud during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Guitarist Ben Goldwasser (L) and singer Andrew Van Wyngarden of MGMT perform during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Fans dance as musician Jay-Z performs during the All Points West music festival at Liberty State Park in Jersey City, New Jersey July 31, 2009.

REUTERS/Eric Thaye


Fans dance as the band "Yeah Yeah Yeahs" perform during the All Points West music festival at Liberty State Park in Jersey City, New Jersey July 31, 2009.

REUTERS/Eric Thayer


Lead singer Karen O of the band "Yeah Yeah Yeahs" performs during the All Points West music festival at Liberty State Park in Jersey City, New Jersey July 31, 2009.

REUTERS/Eric Thayer


Lead singer Eugene Hutz and Gogol Bordello perform during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 1, 2009.

REUTERS/Eric Thayer


A concertgoer stands in line during a rain delay before the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Concert goers play in the mud during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Concertgoers wait in line during a weather delay before the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer



Lead singer and guitarist Brian Aubert of Silversun Pickups performs during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Guitarist Jonny Buckland and singer Chris Martin of Coldplay perform during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer



Musician Jay-Z performs during the All Points West music festival at Liberty State Park in Jersey City, New Jersey July 31, 2009.

REUTERS/Eric Thayer


Concertgoers wait in line during a weather delay before the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Singer Chris Martin of Coldplay performs during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer


Concert goers play in a mud pit during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 1, 2009.

REUTERS/Eric Thayer



Concert goers play in the mud during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thayer



Concert goers walk to the main stage during the All Points West music festival at Liberty State Park in Jersey City, New Jersey August 2, 2009.

REUTERS/Eric Thaye