Article continues below advertisementChristopher Jackson, who played George Washington in Broadway's original run of Hamilton, is being mercilessly mocked online after botching the lyrics to "The Star-Spangled Banner" at MLB's Opening Day on Thursday, March 26. Ahead of the New York Mets game against the Pittsburgh Pirates at Citi Field stadium in New York City, the Grammy-winning performer, 50, repeated the line "What so proudly we hailed" instead of singing, "O'er the ramparts we watched.