What a classic movie!! Some of my other favorite lines from that movie -
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"Are you the police?"
"No, ma'am. We're musicians."
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"What kind of music do you usually have here?"
"Oh, we got both kinds. We got country *and* western."
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"We had a band powerful enough to turn goat piss into gasoline."
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"Use of unnecessary violence in the apprehension of the Blues Brothers HAS been approved."