The Blue Man Group plays a PVC pipe instrument, accompanied by the Boston Pops, during Boston's 2007 Independence Day celebrations at the Hatch Shell on the Esplanade.

David M. Templeton—The Tech

The Blue Man Group plays a PVC pipe instrument, accompanied by the Boston Pops, during Boston's 2007 Independence Day celebrations at the Hatch Shell on the Esplanade. David M. Templeton—The Tech