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Steffen Kummerer: OBSCURA | "Convergence" - Official Guitar Playthrough

Steffen Kummerer: Obscura | Writing, Technique and Gear | Thomann

Steffen Kummerer: OBSCURA | "Septuagint" - Official Guitar Playthrough

Steffen Kummerer, Rafael Trujillo: German progressive metal masters OBSCURA - 'Akroasis' - new official Album Teaser

Steffen Kummerer: RAN Guitars Feature