Howie Dorough attends The Black Eyed Peas' seventh annual Peapod benefit concert

 Howie Dorough attends The Black Eyed Peas' seventh annual Peapod benefit concert

Singer Marc Anthony performs in Caracas

Singer Marc Anthony performs in Caracas 

 Marc Anthony performs during a concert as part of his Iconos World Tour in Caracas

Fergie attends The Black Eyed Peas' seventh annual Peapod benefit concert

Fergie attends The Black Eyed Peas' seventh annual Peapod benefit concert at The Music Box

Photos of Faye Wong during a concert in Taipei

 Faye Wong performs during a concert in Taipei
 

 Faye Wong 

 Faye Wong performs during a concert in Taipei

Chinese pop singer Faye Wong

Photos of Robbie Williams during a concert at the Alhambra in Paris

British singer Robbie Williams performs during a concert at the Alhambra in Paris

 Robbie Williams Photos during his concert in Paris

 Robbie Williams 

 Robbie Williams performs during a concert at the Alhambra in Paris 

Alison Goldfrapp performs during the concert of her band Goldfrapp

Alison Goldfrapp performs during the concert of
 her band Goldfrapp at Lisbon's Coliseu 

Akon performs during a concert in Harare

Senegalese-American singer Akon performs during a concert

Akon performs in a balloon moving around thousands of fans at
 the National Sports Stadium in Harare

Bono of U2 performs between the Edge and Larry Mullen during their 360 Degree Tour

Lead singer Bono of Irish rock band U2 performs between the Edge and drummer Larry Mullen during their 360 Degree Tour at the Ernst Happel stadium in Vienna

Jared Leto of 30 Seconds to Mars performs during the 2010 MTV World Stages concert

 Jared Leto of 30 Seconds to Mars performs during the 2010 MTV
 World Stages concert at the Auditorio Nacional  in Mexico City, Mexico.

Billy Corgan with a Mexican flag on him, performs during the MTV World Stage concert

U.S. Billy Corgan, member of the music group Smashing Pumpkins,
with a Mexican flag on him, performs during the MTV World Stage
concert in Mexico City

Jared Leto of 30 seconds to Mars performs during the 2010 MTV World Stagesconcert

  Jared Leto of 30 seconds to Mars performs during the 2010
 MTV World Stagesconcert at the Auditorio Nacional

 Musician Jared Leto of 30 Seconds to Mars

US singer and actor Jared Leto from the rock band 30 seconds to Mars

Wyclef Jean attends a news conference before his concert at the Antilliaanse Feesten music festival

 Wyclef Jean attends a news conference before his concert at the Antilliaanse Feesten music festival in Hoogstraten

Hamish Blake poses with girlfriend Zoe Foster after the Frank Stallone concert

 Hamish Blake poses with girlfriend Zoe Foster after
the Frank Stallone concert at The Forum Theatre

Wonder Girls performs during the MTV World Stage Live in Malaysia 2010 concert

 Wonder Girls performs during the MTV World Stage Live in Malaysia 2010 concert 

People wait for the Black Eyed Peas' concert

People wait for the Black Eyed Peas' concert during the Summer Festival in Quebec 

Concert on the Plains of Abraham : Fergie of the Black Eyed Peas

Fergie of the Black Eyed Peas performs during a concert on the Plains of Abraham

Fergie, flanked by Apl.de.ap and Will. i.am of theBlack Eyed Peas, performs during a concert




 Stacy Ann Fergusonperforms 

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

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