Labels:bulletin board | hakham | sky | vegetarianism OCR: FACTS BOX NAME: VALVE TROMBONE FAMILY: Brass BRAS PITCH RANGE: Around two-and-ahalf octaves COMPLETE MA TERIAL: Brass RANGE SIZE: About 3ft 4 in (1 m long total length of unwound tube ORIGINS: This trombone emerged during the 1820s in Vienna, when makers throughout Europe were experimenting with the revolutionar new idea of valves CLASSIFICATION: Aerophone: an instrument that produces its sound by the vibration of a column of air DID YOU KNOW: The slide trombone was difficult to play on horseback so valve trom bones were introduced to cavalry bands TROMRONE COMPLET exper
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