Obscura - Hannes Grossmann - Drum cam "Anticosmic Overload" 3-07-20

Hannes Grossman - Anticosmic Overload (Drums)

Obscura live @ Helsinki 1st March 2020

Dimmu Borgir - The Invaluable Darkness Tour - Europe 2007 (FULL with lyrics)

Momen ustad Das'ad "dikeroyok" lima orang di metro tv

WORMROT - FULL SET - September 27th, 2023 - SCUMFEST #2

Upin & Ipin Full Movie 2024 | Mail Bagi - Bagi Ikan Gratis | Ipin Merajuk

Necrophagist - Stabwound drum cam

Drum Teacher Reacts: HANNES GROSSMAN (OBSCURA) 'Ingesting Blatteria' | Blotted Science 2020 Reaction

Machine Head - Hellfest 2024 – ARTE Concert

Meinl Cymbals – Sebastian Lanser – Obscura “Anticosmic Overload“

Death + Sean Reinert Drum Cam - Flattening of Emotions 10.26.91

Alex Rudinger - Obscura - "Anticosmic Overload"

[hate5six] Lamb of God: Live in Portland, a hate5six concert film (October 11, 2022)

Ep. 51 (Clip) - The Necrophagist Days (Hannes Grossman)

Hannes Grossmann (Obscura, Blotted Science, Ex- Necrophagist) - DVD Preview

The Faceless - Planetary Duality - Drum Cam

The Great Designer

OBSCURA@Incarnated-Sebastian Lanser-live in Poland 2016 (Drum Cam)

Hannes Grossmann on Necrophagist and other career changers - drumtalk [single strokes 45]

Opeth - Heir apparent - drum cover