Dave Grohl got in touch with his demonic side for “March of the Insane,” a thrashy new death-metal song attributed to the fictional band Dream Widow. The track, which surfaced on Foo Fighters’ YouTube page, claims to come “from their never released self-titled album.” Although the exact musicians who play in “Dream Widow” are unknown, it’s safe to assume Grohl had a hand in the track given his collaborations with members of Celtic Frost, Mercyful Fate, Motörhead, and Venom years ago on his Probot project.
The track features a breakneck riff that conjures memories of bands like Slayer and Sodom along with vocals that sound like they’re worshiping at Lemmy Kilmister’s altar. “Worship the unholy spirit,” an unusually gravel-throated Grohl (likely) growls, “pray to the god of the dead.” The three-and-a-half minute track even finds time to throw in an…