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The tune, which Miranda co-wrote with her Pistol Annies cohort Angaleena Presley, is meant to add a new definition to being "fast." "It's definitely got her Kentucky raw-girl spin on it, and it's got my bullets flyin' around, and there's crime to it," Miranda explains. "But it makes being the fastest girl in town not a skanky thing but a glamorous thing, and that's what I like about it."
Perhaps that's what Keith liked about the song! No telling what he'll throw into the lineup for his next show, which is in Bangor, Maine, on Saturday, Sept. 1. See his full list of tour dates here.