BOSTON (CBS) – Travelers at Logan Airport’s Terminal B were pleasantly surprised Monday morning when the Boston Pops popped by with a pop-up concert.

Twelve members of the Pops including conductor Keith Lockhart performed at about 7:30 to promote the livestreaming of the annual Boston Pops Fireworks Spectacular at the Charles River Esplanade on the Fourth of July.

WBZ NewsRadio 1030’s Carl Stevens reports

It was the first of several pop-up concerts in a busy day for the Pops as they prepare for Friday’s big show.

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Pop-up concerts will take place across the Northeast from Logan to Times Square over the course of the day.

Related: Find A Fireworks Display Near You

“We’re advertising the fact the Pops is going to give its first-ever free webcast of an entire Boston Pops concert this July 4th,” Lockhart told WBZ NewsRadio 1030’s Carl Stevens.

The web stream will give the Pops a worldwide audience. It starts at 8 p.m. Friday on CBSBoston and

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