News Commencement 2011: HGSE Harmonicas Posted May 26, 2011 By News editor The HGSE a capella group, The HGSE Harmonicas, perform during the 2011 Commencement ceremonies. News The latest research, perspectives, and highlights from the Harvard Graduate School of Education Explore All Articles Related Articles News Honors Presented at 2011 Convocation News Convocation 2011: TIE Flash Mob News James Meredith to Speak at Convocation