Grohm has had 1 concert.

Grohm is most often considered to be Black Metal, Thrash Metal, Austria, Australian Surf Rock, Dunedin Indie, and Austrian Black Metal.

The last Grohm concert was on July 21, 2006 in Tolmin, Tolmin, Slovenia. The bands that performed were: Dimmu Borgir / Amon Amarth / Deathstars / Hypocrisy / Arch Enemy / Testament / My Dying Bride / Soilwork / Heaven Shall Burn / Nevermore / Wintersun / Kataklysm / Kreator / Excelsis / Cataract / Caliban / Maroon / Gorefest / My Dying Bride / Opeth / Jon Oliva’s Pain / Decapitated / Scaffold / Evergrey / One Man Army and the Undead Quartet / Edguy / Mystic Prophecy / Mely / Alpha Wolf / Ars Moriendi / BAREHANDED / Bleak Origin / Blind Petition / Broken Sword / Chronicle of Tyrants / Cold Snap / Darkfall / Dawn Of Disease / Dawn Patrol / Disguise / Dread / Eventide / Evil Bards / Goddamned X / Grohm / Heavy Hamsters / Holy Sinner / Inmate / Logar's Diary / Low-Chi / Low Down / Midgard / Mortifera / Mortifixion / Mozak / Nitroxyde / Outcry / Overfaith / Scar Symmetry / Sepsis / Sinbolic / Skorbut / Stimulans / Subhuman / The Past Alive / Trashcanned / True / Vega / Vulvathrone / Wartune / Xenesthis.