Ableton Live has a Audio to Midi [1] feature that works pretty well to extract notes from audio. Melodyne [2] is a very powerful tool to mess around with notes in general.

There's also some open source projects out there, such as aubio [3] and Omnizart [4].

[1] https://www.ableton.com/en/manual/converting-audio-to-midi/

[2] https://www.celemony.com/en/melodyne/what-is-melodyne

[3] https://aubio.readthedocs.io/en/latest/cli.html#aubionotes

[4] https://music-and-culture-technology-lab.github.io/omnizart-...