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The hand horn technique developed in the classical period, with music pieces requiring the use of covering the bell to various degrees to lower the pitch accordingly. Mozart 's four Horn Concertos , Concert Rondo and Morceau de Concert were written with this technique in mind, as was the music both Beethoven and Brahms wrote for the horn.
The German horn is the most common type of orchestral horn, [ 22] and is ordinarily known simply as the "horn". The double horn in F/Bâ™ is the version most used by professional bands and orchestras. A musician who plays the German horn is called a horn player (or, less frequently, a hornist).
In Sub-Saharan African cultures, call and response is a pervasive pattern of democratic participation—in public gatherings in the discussion of civic affairs, in religious rituals, as well as in vocal and instrumental musical expression. Most of the call and response practices found in modern culture originated in Sub-Saharan Africa.
Underwater acoustics (also known as hydroacoustics) is the study of the propagation of sound in water and the interaction of the mechanical waves that constitute sound with the water, its contents and its boundaries. The water may be in the ocean, a lake, a river or a tank. Typical frequencies associated with underwater acoustics are between 10 ...
The International Code of Signals ( INTERCO) is an international system of signals and codes for use by vessels to communicate important messages regarding safety of navigation and related matters. Signals can be sent by flaghoist, signal lamp ("blinker"), flag semaphore, radiotelegraphy, and radiotelephony. The International Code is the most ...
Acoustic location. Swedish soldiers operating an acoustic locator in 1940. Acoustic location is a method of determining the position of an object or sound source by using sound waves. Location can take place in gases (such as the atmosphere), liquids (such as water), and in solids (such as in the earth). Location can be done actively or passively:
Bark, sound of a dog. Bleat, sound of a sheep. Buzz, sound of bees or insects flying. Chirp, bird call. Chirp, sound made by rubbing together feet or other body parts, e.g. by a cricket or a cicada. Gobble, a turkey call. Growl, low, guttural vocalization produced by predatory animals. Hiss, sound made by a snake.
The natural horn is a musical instrument that is the predecessor to the modern-day (French) horn (differentiated by its lack of valves). Throughout the seventeenth and eighteenth century the natural horn evolved as a separation from the trumpet by widening the bell and lengthening the tubes. [ 1] It consists of a mouthpiece, long coiled tubing ...