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 Commencement 2015: Complete Coverage News Girls Who Code's Saujani Named 2017 Convocation Speaker News 679 Graduates Receive Degrees at HGSE Commencement