The repeater is a like a high-voltage machine gun, for example, but with different upgrades and ammo.

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The version of the Misfits' Green Hell is quite possibly the fastest song ever, with James giving even Jello Biafra of Dead Kennedys fame a run for his money as the angry guitars spit out riffs like machine-gun fire.

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On his instructions, Steinway's chief technician shaved the piano's hammers so they would be even lighter, and rearranged some parts so that a single note could be repeated in an almost machine-gun-like fashion.

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