Nobody else has mentioned it, but Music21 is an extremely good library doing just this: https://github.com/cuthbertLab/music21 https://github.com/cuthbertLab/mu

Nobody else has mentioned it, but Music21 is an extremely good library doing just this: https://github.com/cuthbertLab/music21 https://github.com/cuthbertLab/music21 I've used it to build an open source vocal range detector: https://www.makeartwithpython.com/blog/vocal-range-python-music21/ https://www.makeartwithpython.com/blog/vocal-range-python-mu...