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  2. Air horn - Wikipedia

    en.wikipedia.org/wiki/Air_horn

    In trucks, a cord mounted on the ceiling of the operator's cab is pulled or in buses, a valve lever on the side of the dashboard is pushed down or pulled up to open the valve, supplying varying amounts of air to the horn. Thus, an outstretched hand reaching upward and pumping is a signal to the driver of an air horn equipped vehicle, requesting ...

  3. Melodica - Wikipedia

    en.wikipedia.org/wiki/Melodica

    The melodica is a handheld free-reed instrument similar to a pump organ or harmonica.It features a musical keyboard on top, and is played by blowing air through a mouthpiece that fits into a hole in the side of the instrument.

  4. Megaphone - Wikipedia

    en.wikipedia.org/wiki/Megaphone

    A megaphone, speaking trumpet, bullhorn, blowhorn, or loudhailer is usually a portable or hand-held, cone-shaped acoustic horn used to amplify a person's voice or other sounds and direct it in a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it, and the sound waves ...

  5. Vuvuzela - Wikipedia

    en.wikipedia.org/wiki/Vuvuzela

    Makarapa — hand-made hats worn by spectators to show their team support; Portable or personal air horns — produce sounds similar to the vuvuzela; Football rattle — a percussion instrument which produces a clicking and rattling noise; Thundersticks — narrow plastic balloons used as promotional noise makers

  6. Air horns and moving trucks: How Oakland, California ... - AOL

    www.aol.com/news/air-horns-moving-trucks-oakland...

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  7. List of musical instruments - Wikipedia

    en.wikipedia.org/wiki/List_of_musical_instruments

    Uses explosions to produce sound in pipes. Weak similarity to pipe organ or calliope (which run air/steam through pipes, but producing sound through the friction of air on ducts). pitched percussion: Steam calliope pipe organ: Sea organ: hydraulophone: The sea organ is both an experimental musical instrument and a tide organ: unpitched ...