Sackbut Sackbut A sackbut is a type of trombone from the Renaissance and Baroque eras, characterised by a telescopic slide that is used to vary the length of the tube to change pitch. Unlike the earlier slide trumpet from which it evolved, the sackbut possesses a U-shaped slide, with two parallel sliding tubes, which allows for playing scales in a lower range. Records of the term "trombone" predates the term "sackbut" by two decades, and evidence for the German term "Posaune" is even older. "Sackbut", originally a French term, was used in England until the instrument fell into disuse in the
Experimental musical instrument generate a range of unusual sounds and tones. The human body becomes a part of the circuit and determines the range of sounds possible; different people will generate different sounds. The neola is a tenor stringed musical instrument invented in 1970 by Goronwy Bradley Davies, Llanbedr, Wales. Plastics and aluminium were used in the design and the invention was recognized in a British Patent (registered 16 August 1972) and a Design Council award. The name "Neola" was registered for the instrument. The invention is intended as a tenor, replacing an instrument in the viol family that has been surpassed by