And to add to Jim's fine answers, why are MIDI tracks recorded at different levels?

If you have a good MIDI sound generator, timbre of each voice changes with the 'note on' control level.

Example: At low volumes, a saxophone sounds mellow, but that same sax can sound shrill at high volumes. Many acoustic and electric instruments are like that. When you think of it, so is the human voice.

This is a factor I always use when making my MIDI styles. Or course, a good MIDI synth is needed, some cheaper synths and plugins will not react that way.

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Bob "Notes" Norton smile Norton Music
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