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Geezer Butler's Basses and Gear Explained + Iommi's Exclusive Statement About Mysterious Wah Used on Black Sabbath's Debut | Articles @ Ultimate-Guitar.Com @ Ultimate-Guitar.Com
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Geezer Butler on Black Sabbath's early days, the making of 13 and which album has the worst bass sound | Guitar World
Black Sabbath Bloody Sabbath - Sept 5, 1975 Geezer Butler soundcheck 8 string John Birch Custom bass at San Bernardino CA show with Lynyrd Skynyrd, Peter Frampton, Brownsville Station | Facebook
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