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Singer Michael Bublé has given New York City commuters a thrill with an impromptu underground performance. 

He provided a subway station performance yesterday at the Lincoln Center/West 66th Street stop.  His original gig was to celebrate the MTA's expanding wireless service, but it was called off after a press conference was held to reveal the Boston Marathon bombers' alleged plot to hit Times Square. 

Bublé calls it a dream come true, saying quote, "Once you've sung in the subway waiting for the No. 1 train, you know you've made it." 

Check out the video: