Trumpet
The trumpet is a musical instrument with the highest register in the brass family. Trumpets are among the oldest musical instruments, dating back to at least 1500 BC. 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. The trumpet is used in many forms of music, including classical music and jazz.
The earliest trumpets date back to 1500 BC and earlier. The bronze and silver trumpets from Tutankhamun's grave in Egypt, bronze lurs from Scandinavia, and metal trumpets from China date back to this period. Trumpets from the Oxus civilization (3rd millennium BC) of Central Asia have decorated swellings in the middle, yet are made out of one sheet of metal, which is considered a technical wonder. The Moche people of ancient Peru depicted trumpets in their art going back to 300 AD. The earliest trumpets were signaling instruments used for military or religious purposes, rather than music in the modern sense; and the modern bugle continues this signaling tradition.
In medieval times, trumpet playing was a guarded craft, its instruction occurring only within highly selective guilds. The trumpet players were often among the most heavily guarded members of a troop, as they were relied upon to relay instructions to other sections of the army. Improvements to instrument design and metal making in the late Middle Ages and Renaissance led to an increased usefulness of the trumpet as a musical instrument.
As with all brass instruments, sound is produced by blowing air through closed lips, producing a "buzzing" sound into the mouthpiece and starting a standing wave vibration in the air column inside the trumpet. The player can select the pitch from a range of overtones or harmonics by changing the lip aperture and tension, known as the embouchure. Modern trumpets also have three piston valves, each of which increases the length of tubing when engaged, thereby lowering the pitch. The first valve lowers the instrument's pitch by a whole step (2 semitones), the second valve by a half step (1 semitone), and the third valve by one-and-a-half steps (3 semitones). When a fourth valve is present, as with some piccolo trumpets, it lowers the pitch a perfect fourth (5 semitones). Used singly and in combination these valves make the instrument fully chromatic, i.e., able to play all twelve pitches of Western music. The sound is projected outward via the bell.
The mouthpiece has a circular rim which provides a comfortable environment for the lips' vibration. Directly behind the rim is the cup, which channels the air into a much smaller opening (the back bore or shank) which tapers out slightly to match the diameter of the trumpet's lead pipe. The dimensions of these parts of the mouthpiece affect the timbre or quality of sound, the ease of playability, and player comfort. Generally, the wider and deeper the cup, the darker the sound and timbre.
The trumpet is used in many forms of music, though the most recognised players have been in the jazz field. Louis Armstrong, for example, was well known for his virtuosity with the trumpet. Armstrong's improvisations on his Hot Five and Hot Seven records were daring and sophisticated while also often subtle and melodic. Miles Davis is widely considered one of the most influential musicians of the 20th century. His trumpet playing was distinctive, with a vocal, clear tone that has been imitated by many. The phrasing and sense of space in his solos have been models for generations of jazz musicians. Among the other great modern jazz trumpet players are Clifford Brown, Jon Faddis, Harry James, Wynton Marsalis, Freddie Hubbard, Lee Morgan, Chet Baker, Arturo Sandoval, Doc Severinsen, Fats Navarro, Nat Adderly, Nicholas Payton, and Wallace Roney.