When asked if the mayor is fond of the Canadian crooners, his spokeswoman Tarrah Cooper told RedEye in an e-mail "No."
A photo of a strike supporter carrying a sign that read "Rahm Emanuel likes Nickelback" went viral Monday night and was picked up on sites such as Gawker.
No word if the mayor will ask for a sign retraction.
The man with the sign, 10th grade math teacher Mike Konkoleski, has changed it to say "Creed."
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