sentences:  Burrell served as the first supreme historian of Phi Mu Alpha Sinfonia Fraternity from 1901 to 1903, and the sixth supreme (national) president of Phi Mu Alpha Sinfonia fraternity from 1907 to 1914, and along with fraternity founder Ossian E. Mills has been credited by fraternity historians with encouraging the early expansion of and formulating the basic ideals espoused by the fraternity.Much of this fundamental philosophy is encapsulated in his presidential messages expounding the fraternity's Object, which appeared in the "Sinfonia Yearbooks" between 1908 and 1910.Today, these writings are regularly used to instruct the fraternity's probationary members about the fraternity's Object, and the obligations and expectations of fraternity membership.