Unless using GM sounds (Which are standard in all instruments) the Midi file will only play correctly with your keyboard, so posting both a Midi and audio file is a good idea. (BTW: The recording sounds fine)

Here are a couple of videos that will hopefully allow you to understand Midi.

https://www.youtube.com/watch?v=9zFecOaD4CU&t=21s

https://youtu.be/IoUtshlzCTo

Bill
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English Riviera:
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