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
Drummer In larger ensembles, the drummer may be part of a rhythm section with other percussionists playing, for example, vibraphone, marimba or xylophone. These musicians provide the timing and rhythmic foundation which allow the players of melodic instruments, including voices, to coordinate their musical performance. Some famous drummers include: John Bonham, Ginger Baker, Keith Moon (The Who), Neil Peart, Buddy Rich, Gene Krupa, Tim "Herb" Alexander (Primus), Rashied Ali, Carl Allen, Steve White, Craig Blundell, Travis Barker, Tony Royster Jr., Rick Allen (Def Leppard). As well as the primary rhythmic function, in some musical styles, such as world, jazz, classical, and