A piano can be intentionally and or unintentionally not in tune. Every Piano has its own unique sound (due to manufacturer and also form factor) and is played

A piano can be intentionally and or unintentionally not in tune. Every Piano has its own unique sound (due to manufacturer and also form factor) and is played in a place where temperature can have another affect in the sound. But it looks like already people have attempted the transcription strategy you describe https://www.google.com/search?hl=en&q=machine%20learning%20note%20recogntion%20piano https://www.google.com/search?hl=en&q=machine%20learning%20n...