![Heavy metal fans are pictured while head banging at the music festival in Wacken, Germany, 03 August 2011. More than 75,000 visitors are expected to attend the world's largest heavy metal festival Heavy metal fans are pictured while head banging at the music festival in Wacken, Germany, 03 August 2011. More than 75,000 visitors are expected to attend the world's largest heavy metal festival](https://c8.alamy.com/comp/DAP9AP/heavy-metal-fans-are-pictured-while-head-banging-at-the-music-festival-DAP9AP.jpg)
Heavy metal fans are pictured while head banging at the music festival in Wacken, Germany, 03 August 2011. More than 75,000 visitors are expected to attend the world's largest heavy metal festival
![Heavy metal fans are headbanging to a concert with the Welsh heavy metal band Bullet For My Valentine in Copenhagen. Denmark 02.10. 2010 Stock Photo - Alamy Heavy metal fans are headbanging to a concert with the Welsh heavy metal band Bullet For My Valentine in Copenhagen. Denmark 02.10. 2010 Stock Photo - Alamy](https://c8.alamy.com/comp/KWT8KX/heavy-metal-fans-are-headbanging-to-a-concert-with-the-welsh-heavy-KWT8KX.jpg)
Heavy metal fans are headbanging to a concert with the Welsh heavy metal band Bullet For My Valentine in Copenhagen. Denmark 02.10. 2010 Stock Photo - Alamy
![Headbanging music and heavy metal fans attend a live concert at the Danish heavy metal festival Copenhell 2016. Denmark, 25/06 2016 Stock Photo - Alamy Headbanging music and heavy metal fans attend a live concert at the Danish heavy metal festival Copenhell 2016. Denmark, 25/06 2016 Stock Photo - Alamy](https://c8.alamy.com/comp/KWT8KW/headbanging-music-and-heavy-metal-fans-attend-a-live-concert-at-the-KWT8KW.jpg)