 Also in 1969, Jacob and Gericke tried to produce a psychedelic music video, with three bands participating including Blue Cheer and the Steve Miller Band, but the results were low quality and the project never took off.Back at McCune, John Meyer had been hired at the request of Harry Jr to create a 3-way loudspeaker for concerts.By early 1970 the revolutionary JM3 system was ready, named for Meyer but with electronic processing by both Meyer and Cavin.