In 2013 Okc saw 25 performances during 5 concerts with 25 bands at 4 venues in 3 locations.

Date   Concert   Venue   Location  
Dec 15, 2013
Doom Over London Iv Ft Worship / Worship / The great old ones / My Silent Wake
  Setlists
THE GARAGE London, England, United Kingdom
Dec 13, 2013
Slabdragger / Gurt / Burden of the Noose Our Black Heart London, England, United Kingdom
Aug 09, 2013 –
Aug 11, 2013
Bloodstock Open Air 2013
King Diamond / Slayer / Lamb of God / Tragedy / Shrapnel / Firewind / Xerath / Accept / Scar Symmetry / Kataklysm / Gojira / Gama Bomb / Lifer / Whitechapel / Amorphis / DevilDriver
  Setlists
Catton Park Lichfield, England, United Kingdom
Jun 14, 2013 –
Jun 16, 2013
Download Festival 2013
Iron Maiden / Cancer Bats / Chthonic / Jimmy Eat World / Papa Roach / Korn / Converge / Dir En Grey / Kvelertak / Mastodon / Slipknot / Alice In Chains / Rammstein / Bullet for My Valentine / Pendulum / Queens of the Stone Age / Dragonforce / Amon Amarth / Enter Shikari / Thirty Seconds to Mars / Limp Bizkit / A Day to Remember Show all bands
  Setlists
Download Festival Castle Donington, England, United Kingdom
May 25, 2013
The Wounded Kings / Huata / Witchsorrow / Alunah THE GARAGE London, England, United Kingdom