Overview

Greg has sang the National Anthem of the United States ("The Star Spangled Banner") at specific events on a few occasions. 

Milwaukee Brewers

Greg sang the National Anthem at Miller Park, home of Major League Baseball's Milwaukee Brewers (he is a native of Milwaukee, WI suburb Racine). This took place on July 31st, 2007 before a game between the Brewers and the New York Mets. He was in town for Vans Warped Tour 2007.^[1]

Reason Rally

Greg sang the National Athem before the Reason Rally in Washington D.C. on March 24, 2012. ^[2]

References