Inaugural festivities for the new organ took place on November 22 and 23, 1974. On Friday, November 22, E. Power Biggs was conferred with the honorary degree of Doctor of Music, after which the Inaugural Recital was played by Marie-Claire Alain. On Saturday, November 23, three Organ Symposia were held: The Organ in America; Restorations, and Technical Developments. Participants included Mme Alain; Dr. Biggs; Fenner Douglass, Professor of Organ, Duke University; Charles Fisk, organbuilder; Dirk A. Flentrop; Barbara Owen, historian of early American organs and an associate of Charles Fisk; Johannes Steketee, associate of Mr. Flentrop; George Taylor, associate of the John Brombaugh Organ Company; and Harald Vogel, organist and the Director of the Norddeutsche Orgelakadamie, Ottsberg, Germany.

Updated through information adapted from E. M. Skinner/Aeolian-Skinner Opus List, by Sand Lawn and Allen Kinzey (Organ Historical Society, 1997), and included here through the kind permission of Sand Lawn:
Replaced 1963 Holtkamp.