The Hammond Organ is an electric organ invented by Laurens Hammond in 1935. It uses a unique system of tonewheels to produce sound, which gives it a distinctive, rich tone. The organ became popular in various music genres, including jazz, rock, and gospel, due to its versatility and expressive capabilities. Hammond organs typically feature multiple manuals (keyboards) and a set of drawbars that allow players to control the sound's timbre. The instrument's portability and relatively affordable price compared to traditional pipe organs contributed to its widespread use in churches, clubs, and concert venues.