In 2012 Lethean saw 34 performances during 4 concerts with 34 bands at 4 venues in 4 locations.

Date Concert Venue Location
Dec 21, 2012
Iced Earth / Evergrey / Steel Engraved
  Setlists
Maassilo Rotterdam, South Holland, Netherlands
Jun 22, 2012 –
Jun 24, 2012
Graspop Metal Meeting 2012
Ensiferum / The Treatment / August Burns Red / Winterfylleth / Guns N' Roses / Ozzy Osbourne / Nasum / Emmure / Dimmu Borgir / Machine Head / Adrenaline Mob / Jon Oliva's Pain / Pennywise / Children Of Bodom / Alestorm / Texas In July / Exodus / Sacred Reich / Cannibal Corpse / Death Angel / Megadeth / Kyuss Lives! / Sebastian Bach / Skeletonwitch / Killswitch Engage / Obituary / The Spudmonsters / Ihsahn / DevilDriver / Trivium / Black Label Society / Sabaton / Twisted Sister / Gotthard / Motörhead / Hatebreed / Winds of Plague / Black Veil Brides / Sick of It All / Comeback Kid / Possessed / Unearth / Paradise Lost / Slayer / Mastodon / Lamb Of God / Amon Amarth / H₂O / Gojira / Powerwolf / Eluveitie / Mayan / Axewound / Godsmack / Slash / Thin Lizzy / Europe / Limp Bizkit / Rival Sons / Ugly Kid Joe / Behemoth Show all bands
  Setlists
Festivalpark Stenehei Dessel, Flanders, Belgium
Mar 03, 2012
Walter Trout De Boerderij Zoetermeer, South Holland, Netherlands
Jan 13, 2012
Amorphis / Leprous / The Man Eating Tree
  Setlists
Dynamo Eindhoven, North Brabant, Netherlands