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If producing a note is so simple, why do the sounds made by each instrument in an orchestra or band sound so different? The pitch is the degree of highness or lowness of a musical note. The pitch depends on how rapid the vibrations are; i.e., how high the frequency is. A higher pitch has a higher frequency.  The diverse sounds made by the instruments in each section of an orchestra are due to harmonics. These are higher and quieter sounds that are mixed in with the main note. They are not heard separately but add to the tone of the sound. Harmonic Series
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Major funding for Rough Science was provided by the National Science Foundation. Corporate funding was provided by Subaru. Copyright © 2002 The Open University and WETA. |
