Showing posts with label intervals. Show all posts
Showing posts with label intervals. Show all posts

Wednesday, May 15, 2013

How guitars work


Now that we have already learned the different parts of the guitar, we move on to the next part which is understanding how those parts work together.


String vibration and String Length


All musical instruments create sound by means of vibration. For wind instruments, the vibration derives from air passing over a mouthpiece, or from lips buzzing into a mouthpiece. For percussion instruments, the vibration comes from striking a surface made of canvas or metal. For string instruments, like guitars, the vibration comes from striking a string, which then vibrates. Of course, the strings would never vibrate if it were not given some sort of force or what we commonly know as tension. When a string is brought to a certain tension and then set in motion by a certain form of action like that of strumming or plucking, it produces a sound or a pitch. The different tones we hear from the strings of the guitar is simply achieved by tuning the strings to different tensions. The greater force or tension a string has, the higher the pitch it will produce.

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