Not all backwards messages are terrifying Satanic invocations. On the track “Boys In Black” by all-girl grunge band L7, there’s a brief snippet of garbled speech that, when played backwards, reveals one of the ladies reciting “All beef patties, special sauce, lettuce, cheese, pickles, onions on a sesame seed bun. Two all beef patties.” That’s the recipe for a Big Mac, in case you’ve never worked in food service.

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