Made major upgrades to the cathedral's 1964 Aeolian-Skinner pipe organ. Provided a new console with Harris components, a Solid State Logic Systems multiplex relay and mmultilevelcombination action, 1988. Revoiced pipes according to the cathedral's musical requirements for improved evenness and clarity, 1988. Added an 8' Harmonic Flute and an 8' English Horn voiced to blend with the existing pipes, 1995. Releathered the positive division, 1995. Releathered the choir division, 1996.