 He also replaced the insufficient JBL Paragon home hifi loudspeakers with the McCune JM3, rigging two over the proscenium, and flanking the stage with two more to bring the spatial imaging down to the level of the performers.During this time, Jacob developed a lasting relationship with Masque Sound's John "Jack" Shearing, a New York sound company owner who was friendly with the Broadway union stagehands of IATSE Local 1.Shearing helped smooth the way for Jacob's concepts to be introduced to the stagehands who were habitually suspicious of new ideas, and who had contributed to previous failures.