Heavy Fingered Moonlight
Sonata, Beethoven, Jan 2002
Note 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.