O.G.D Trio play Barga Jazz Club

Alessio Spampani – Hammond Organ | Daniele Orselli – chitarra | Alessandro Del Bianco – Batteria together make up the O.G.D Trio – Organ, Guitar and Drums

The Hammond organ is an electric organ which was invented by Laurens Hammond in 1934 and manufactured by the Hammond Organ Company.While the Hammond organ was originally sold to churches as a lower-cost alternative to the wind-driven pipe organ, in the 1960s and 1970s, it became a standard keyboard instrument for jazz, blues, rock music and gospel music.

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In the 1980s and 1990s, musicians began using electronic and digital devices to imitate the sound of the Hammond, because the vintage Hammond organ is heavy and hard to transport. By the 1990s and 2000s digital signal processing and sampling technologies allowed for better imitation of the original Hammond sound

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There is one more thing that must be described if we are to fully appreciate the character of the Hammond, and that is the Leslie tone cabinet. The organ needed an external speaker in order to be heard, and it also needed one specially designed that had rotating speakers, so that the vibrato effects in the organ could come out.

The Leslie speaker is a specially constructed amplifier/loudspeaker used to create special audio effects using the Doppler effect. Named after its inventor, Donald Leslie, it is particularly associated with the Hammond organ. The Hammond/Leslie combination is now a ubiquitous element in many genres of music. Currently both the Leslie Speakers and the Hammond Organ are owned by Suzuki Musical Instrument Corporation.