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Marching percussion instruments are specially designed to be played while moving. This is achieved by attaching the drum(s) to a special harness (also called a carrier or rack) worn by the drummer, although not all marching bands use such harnesses and instead use traditional baldrics to sling their drums (the British Armed Forces, for instance, still use the old style of slung drums). The drums are designed and tuned for maximum articulation and projection of sound, as marching activities are almost always outdoors or in large interior spaces. Articulation is paramount to producing a "clean" sound from all the drummers in the line. These instruments are used by marching bands, drum and bugle corps, indoor percussion ensembles, and pipe bands. A marching percussion ensemble is frequently known as a drumline or battery. ==Snare drums== Marching snare drums are deeper in size than snares normally used for orchestral or drum kit purposes. This gives the drum the big, full sound necessary for outdoor use. Standard sizes (listed as diameter x depth) are 13x11 and 14x12 inches. They can weigh anywhere from 16-45 lb. Smaller sizes such as 13x9 have become increasingly popular in recent times with the proliferation of indoor drum lines. The modern "high tension" snare was developed in response to the higher head tensions made possible with the development of Kevlar and other high strength fibers bonded into the drum head. These high tension drums were first developed by Legato of Australia for pipe band snare drums. High tension drums began and were perfected in the pipe band market and later moved into the marching band and drum corps areas. The bottom (or ''resonant'') side of the drum has a tightly tuned head and synthetic gut or metal snare wires, which are often secured to the drum using a strainer to limit their movement and make the sound more staccato. For outdoor use, a projector or "scoop" - a piece of curved plastic - may be attached to the back of the bottom hoop to help project the sound forward to the audience. Snare drums used in pipe bands are similar in construction to standard marching snare drums, with two key differences. First, the drum has an additional set of snares, directly under the batter (top) head. Second, the snares under the bottom head are made of coiled steel wires, similar to a drumset (as opposed to the synthetic "gut" snares on a corps-style drum). These differences tend to give the pipe drums a "snappier" snare sound, emphasizing the higher frequencies of the drum. Recently, corps-style drums have been produced with steel wire snares underneath the batter head (while remaining the gut snares under the bottom head). These snares are able to be switched on and off separate from the bottom snares, which allows units to use the second snares as a specific effect or as a permanent modification to the sound of the drum. The head of the snare drum can also be varied to give the drum a different sound. Depending on the music or style that the drumline plays, different brands and types of heads may be used. For maximum volume and stick articulation, a head made of woven Kevlar fibers is used and usually tuned to a very high tension. If the player desires a slightly "softer" feel, then an aramid fiber head (such as Remo's Black Max) is a good choice. Finally, if more overtones and the softest head-feel are desired, the player may want to consider a heavy clear head with a center reinforcement dot (such as a Remo Powerstroke 77). This type of head is rarely used today among competitive drumlines, mostly owing to its lack of outdoor projection in comparison with Kevlar, but nonetheless it may still be used if a unique timbre is desired. One of the most famous marching bands utilizing this head is the Ohio State University Marching Band. Though they play difficult cadences and drum features, they still use the sling drum and Remo Powerstroke 77 head to remain as traditional and formal as possible. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「marching percussion」の詳細全文を読む スポンサード リンク
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