I used this software way back in the early 2000s and most recently a few months ago to analyze, fingerprint and allow me to make playlists of my local files. There’s no AI or back end server or cloud involved anymore. It’s no longer developed but is free to use. Those that enjoy(ed) making mix tapes will enjoy the options this software makes available for file.
Read this website to understand how to configure and load the auth key as there used to be a back-end server that did much of this work…