Electronic musical instrument was designed to be a lower-cost alternative to a pipe organ for church music, musicians soon discovered that the Hammond was an excellent instrument for blues and jazz; indeed, an entire genre of music developed built around this instrument, known as the organ trio (typically Hammond organ, drums, and a third instrument, either saxophone or guitar). The first commercially manufactured synthesizer was the Novachord, built by the Hammond Organ Company from 1938 to 1942, which offered 72-note polyphony using 12 oscillators driving monostable-based divide-down circuits, basic envelope control and resonant low-pass filters. The instrument featured 163 vacuum tubes and weighed
Gene Krupa the orchestra and returned to Goodman's band for a year. As the 1940s ended, Count Basie closed his band and Woody Herman reduced his to an octet. Krupa gradually cut down the size of his band in the late 1940s, and from 1951 on he led a trio or quartet, often with Eddie Shu on tenor sax, clarinet, and harmonica. He appeared regularly in the Jazz at the Philharmonic concerts. He made a cameo appearance in the 1946 film "The Best Years of Our Lives". His athletic drumming style, timing methods, and cymbal technique evolved during this decade to adapt