Shoppers at the Avalon Mall in St. John's, Newfoundland and Labrador got more than they bargained for on Sunday December 11, 2011 — a philharmonic flash mob!

Members of the Philharmonic Choir of the Newfoundland Symphony Orchestra surprised shoppers with a sudden performance of the famous oratorio from Handel's "Messiah."

This video has been shown on NTV and Rogers TV in Newfoundland and Labrador; and viewed online by more than 70, 000 worldwide.