![The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here vocalist Bobby Liebling is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here vocalist Bobby Liebling is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy](https://c8.alamy.com/comp/KT10G5/the-american-heavy-metal-band-pentagram-performs-a-live-concert-at-KT10G5.jpg)
The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here vocalist Bobby Liebling is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy
![The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here bass player Greg Turley is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here bass player Greg Turley is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy](https://l450v.alamy.com/450v/2gj7dcw/norje-20120608-american-heavy-metal-band-pentagram-performs-during-the-sweden-rock-festival-2012-in-norje-outside-solvesborg-in-southern-sweden-on-june-8-2012-photo-claudio-bresciani-scanpix-code-10090-2gj7dcw.jpg)
The American heavy metal band Pentagram performs a live concert at Vulkan Arena in Oslo. Here bass player Greg Turley is seen live on stage. Norway, 11/11 2015 Stock Photo - Alamy
![This one's for Ricky: Pentagram, America's “first” heavy metal band | Heavy metal bands, Heavy metal, Pentagram This one's for Ricky: Pentagram, America's “first” heavy metal band | Heavy metal bands, Heavy metal, Pentagram](https://i.pinimg.com/originals/cf/52/6e/cf526e45df8c858c823cade32872c724.jpg)