The Australian band Airbourne performs on stage during the Roskilde Festival in Roskilde, Denmark on July 7, 2013.

01 / 15

The Australian band Airbourne performs on stage during the Roskilde Festival in Roskilde, Denmark on July 7, 2013. (AFP)

See more of : Roskilde Music Festival

02 / 15

US R&B singer Miguel performs on July 7, 2013 on the Arena stage at the Roskilde music Festival 2013. (AFP)

See more of : Miguel

03 / 15

Lead singer and guitarist Joel O'Keeffe of Australian rock band Airbourne plays at the Roskilde Festival in Roskilde, Denmark, on July 7, 2013. (AP)

See more of : Joel O'Keeffe

04 / 15

US-American rapper and singer Azealia Banks performs on stage during the Roskilde Festival in Roskilde, Denmark on July 7, 2013. (AFP)

See more of : Azealia Banks

05 / 15

US-American singer John Grant performs on stage during the Roskilde Festival in Roskilde, Denmark on July 7, 2013. (AFP)

See more of : John Grant

06 / 15

British musician James Blake performs on stage during the Roskilde Festival in Roskilde, Denmark on July 7, 2013. (AFP)

See more of : James Blake

07 / 15

Lars Ulrich, drummer of US heavy metal band Metallica, performs on stage at the Roskilde Music Festival on July 6, 2013 in Roskilde, Denmark. (AFP)

See more of : Lars Ulrich

08 / 15

US heavy metal band Metallica performs on stage at the Roskilde Music Festival on July 6, 2013 in Roskilde, Denmark. (AFP)

See more of : Metallica

09 / 15

American artist Kris Kristofferson plays at the Roskilde Festival in Roskilde, Denmark on July 6, 2013. (AP)

See more of : Kris Kristofferson

10 / 15

Rihanna plays at the Roskilde Festival in Roskilde, Denmark, on July 5, 2013. (AP)

See more of : Rihanna

Music