What is the musical key of this tune? With our Online Song Key Finder, determining a song's key has never been easier. You can simply extract it from an MP3 file (mp3 to key) or any other audio format. Simply drag and drop your audio file(s) into the song analyzer below and experience the wonder of instantly discovering the musical key of the composition. The accuracy of the identified song keys ranges between 70-95%, depending on the option selected. The precision increases when considering that relative keys have identical key signatures.
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