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        | an art based on the organization of sounds in time |  
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        | Four main properties of musical sounds |  
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        Definition 
        
        | pitch, dynamics, tone color, and duration(length of time a musical sound lasts) |  
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        Definition 
        
        | relative highness or lowness that we hear in a sound |  
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        | Pitch of a sound is decided by the frequency(speed) of its vibrations |  
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        Definition 
        
        | measured in cycles per second. The faster the vibrations the higher the pitch; the slower the lower the pitch |  
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        Term 
        
        | pitch and size of objects |  
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        Definition 
        
        | smaller objects vibrate faster and have higher pitches: thus plucking a short string produces a higher pitch than plucking a long string |  
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        Definition 
        
        | a sound that has a definite pitch |  
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        Definition 
        
        | Two tones will sound different when they have different pitches.  The distance in pitch between any two tones |  
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        | When tones are separated by the interval called an octave they sound very much alike |  
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        | 2:1  if say one is 440 cycles per second then the see tone an octave higher would be 880 cycles per second |  
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