(PORTLAND PRESS HERALD) You’ll hear The Whistler before you see him.

Some say he haunts the Old Port. To others, he brings amusement.

But to Robert Smith, it’s a calling.

“I walked around singing for a year,” the 32-year-old said during one of his high-pitched rounds of downtown Portland. “I whistled a tune one day. I don’t know where it came from.”

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