 Historians portray him as a gifted man, a natural scientist, chemist, architect and community leader, as well as an organist and organ builder.Having previously built organs in the Manila area with some organ stops made from bamboo, he chose bamboo for most of this organ – only the trumpet stops are made of metal.The choice of bamboo was probably both practical and aesthetic - bamboo was abundant and used for hundreds of items of both a practical and an artistic nature.