“Black Sabbath” from 1970’s Black Sabbath
The epitome of the evil chord progression, the riff for “Black Sabbath” prominently uses the devil’s interval with the flatted fifth of a power chord. The sound harkens to satanic connotations and musicians in times of old were burned at the stake for using it. It’s the perfect signature riff for Sabbath to gain their false satanic label, which actually helped them garner more recognition. The riff haunts your brain and is a staple in modern metal.
“Snowblind” from 1972’s Vol. IV
One of the best songs ever from Sabbath, the verse riff on “Snowblind” is an Iommi masterpiece with the first five power chords absolutely grinding along and, with the accompanying hard-hitting drum and bass accents, there is an added drama and tension, essentially driving home the hyped-up, altered reality of cocaine. Black Sabath thanks the “Coke Cola” on the album, and so do us fans if it inspired Iommi to create the “Snowblind” riff. As as aside, the band wanted to call the album Snowblind, but their record label wouldn’t allow it.
Sabbath Bloody Sabbath from Sabbath Bloody Sabbath (1973)
One of Black Sabbath’s signature songs, the track is propelled by Iommi’s monstrous riff, which is another grinder that moves power chords down and then up again for that ear-pulverizing motion and power. The riff is even more amazing given the context that when Iommi wrote it, he was struggling to write anything. He thought the well had run dry, but then boom, he comes up with this timeless classic.
The Mob Rules from Mob Rules (1981)
This riff is one of those Iommi masterpieces that’s like a runaway train of pure heaviness. The explosive riff combines some single notes and bending that gives a high-octane hint of blues to the sludge-fest. Sometimes it seems that the “Mob Rules” is a bit of a forgotten Sabbath album, but the title track features some of Iommi’s finest work.
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