MIDI is a compact, notes-primarily based file format widely used for keyboard instruments. It actually may be potential for a program to hearken to audio and produce a simple midi file, at least in some simple cases, much as OCR can look a…

Which allows you to take any midi file, upload it, have each midi instrument get replaced with a higher quality soundfonts (basically recordings of real devices enjoying the varied notes ordered which can then be learn and used by a softwa…