[ Ref. Ben Roth in 240915 MMDigest

Hello Ben, You could try out a solo piano audio MP3 to MIDI Ai
converter. It is one that I submitted some time ago to the MMD
for everyone to use. It is Open Source and free. Here is the link,
instructions are there as well.

Ai Audio2Midi Converter - Google Drive

https://drive.google.com/drive/folders/1OjBJBkm91M7uXVRtU-DkuqU-g15CyQOY 

Jeff Stauffer