 From September 2003 to November 2004, the Diego Cera Organbuilders, Incorporated carried out the general overhaul of the instrument under the sponsorship of the National Commission for the Culture and the Arts.Some leather parts were replaced and improvements in the wind system were made, particularly the re-installation of a multi-fold parallel bellows which was patterned after the bellows of the Baclayon (Bohol) pipe organ, which is believed to be constructed by Fr.Diego Cera.