Midi viewer: file Beethoven-Choral-Fantasy-for-Piano-Choir-and-Orchestra-Op.-80.mid, source track 9:
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  CC 64

  Velocity


Script RAM usage: 10 Mb
Events: 6152
Note color means channel. Note opacity means velocity. Black line at the end of note means legato overlap.

The script ran 0.048 seconds (0.064 total) .