The human part — how hard and how long a sound is played.
One note played noticeably harder than its neighbours.
How a note is started and finished.
How quickly a sound reaches full volume.
How loud or soft the music is, moment to moment.
The shape of a sound's volume over time.
Notes joined smoothly with no gap between them.
How long a sound takes to disappear after you let go.
Short, detached notes with air between them.
How long a sound holds while you keep it going.
How hard a single note was struck, stored as a number.
BDTplay first