| Heavy Fingered Moonlight 
              Sonata, Beethoven, Jan 2002Note information for each key pressed is contained in an object. 
              The information is a detailed description of the keypress event, 
              as the piano player might perform, including the precise moment 
              of string collision, pitch, tuning modifications, volume, stroke 
              velocity, and duration of sustain.
 
 In this image, all attributes of the keypress event are represented 
              faithfully except for the sustain.
 
 
 
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