discuss musical instruments for creating sound
Answers
Answer:
Acoustic instruments generate sound physically and electronic instruments create sound electrically. There are four acoustic groups: percussion (hit or shaken), wind (woodwind and brass; blown), string (bowed or plucked), and keyboard (played with fingers).
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Answer:
An instrument creates sound when part of it vibrates rapidly. The column of air inside a wind instrument, the string of a string instrument, or the stretched skin of a drum all vibrate when played. This vibration produces sound waves in the air, which we hear as musical notes.
GRAND PIANO
When a musician hits a key, a hammer strikes a string inside the piano. The string vibrates, making a sound. In a grand piano the strings are arranged horizontally. In an upright piano they are arranged vertically, to save space.
TRUMPET
This brass instrument is played by blowing air through the mouthpiece into a narrow metal tube. Pressing the valves alters the length of the column of air, producing different notes.
VIOLIN
Like most string instruments, the violin has four strings, each tuned to different notes. It is played either with a bow or by plucking it with the fingers.