sentences:  As of 1951, Burrell was serving as an associate editor of "Alumni Opus", a publication of the New England Conservatory Alumni Association.Burrell was initiated into Phi Mu Alpha Sinfonia's Alpha Chapter at the New England Conservatory on June 12, 1899, and soon thereafter was elected as the chapter's second president in January 1900.His leadership was significant as the fraternity had only recently been founded at the Conservatory eight months earlier, during the previous school year in October 1898; it would not be until two years later, in 1901, that a National or "Supreme" President would be elected.