Dynamics. MIDI has volume, but that's not all there is. Legato vs detache. Articulation. All sorts of esoteric annotations, e.g. "Fire the cannon!", or "Relea

Dynamics. MIDI has volume, but that's not all there is. Legato vs detache. Articulation. All sorts of esoteric annotations, e.g. "Fire the cannon!", or "Release the penguins."