Trumpet are among the old musical instrument. The trumpet is the musical instrument with the highest register in the brass family. They are constructed of brass tubing bent twice into an oblong shape, and are played by blowing air through closed lips, producing a "buzzing" sound which starts a standing wave vibration in the air column inside the trumpet.
There are several types of trumpet; the most common is a transposing instrument pitched in B♭. The tube length of the most common B-trumpet is about 134 cm. The predecessors to trumpets did not have valves, but modern trumpets have either three piston valves or three rotary valves. Each valve increases the length of tubing when engaged, thereby lowering the pitch. The trumpet is used in many forms of music,
including classical music and jazz.
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