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        | Vibrations that are transmitted, usually through air, to the eardrum, which sends impulses to the brain. |  
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        Definition 
        
        | "Distance" betweenpitch in between any two tones. |  
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        | Degrees of loudness or softness in music. |  
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        Definition 
        
        | Relative highness or lowness of a sound. |  
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        Definition 
        
        | Interval between two tones in which the higher tone has twice the frequency of the lower tone. |  
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        Term 
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        Definition 
        
        | Interval between two tones in which the higher tone has twice the frequency of the lower tone. |  
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        Term 
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        Definition 
        
        | Emphasis of a note, which may result from its being louder (dynamic accent), longer, or higher in pitch than the notes near it. |  
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        Term 
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        Definition 
        
        | Sound that has a definite pitch, or frequency. |  
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        Definition 
        
        | Distance between the highest and lowest tones that a given voice or instrument can produce. |  
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        Definition 
        
        | Quality of sound that distinguishes one instrument or voice from another. |  
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