Mr. D'Agostino earned the doctor of musical arts degree in organ performance from Juilliard, where he studied with Jon Gillock and Vernon deTar. Mr. D'Agostino has also studied with Xavier Darasse, Bernard Lagacé, and Marie-Claire Alain at the Toulouse Organ Academy in France.

He has appeared as a featured soloist at International Organ Festivals of Prague, Krakow, Paris, London, St. Petersburg, Charleston's Piccolo Spoleto, and the American Guild of Organists’ 100th anniversary in New York. Mr. D'Agostino has also performed with such orchestras as the Moscow Chamber Orchestra, Hong Kong Philharmonic, and Slovak Radio Orchestra. Mr. D'Agostino has also given performances in the Hudson Valley, including for 2006/2007 progam of Saugerties Pro Musica

Dr. D'Agostino is known for his exciting performances of Liszt and the French romantics. His repertoire stretches from the Renaissance to contemporary, and includes the complete organ works of Bach, Brahms, Liszt, and Handel. In addition, he is one of the foremost interpreters of contemporary organ music.