This musical scale finder includes practical features designed for real-world use: Chord Recognition: Detects chord progression from the loaded audio. Key Detection: Works as a key signature finder by identifying likely song key (tonic/key center). Scale Suggestions: Shows compatible scales, including major, natural minor, major pentatonic, minor pentatonic, blues, dorian, and mixolydian. Playback Controls: Listen with Play, Stop, and Repeat while following chords on the waveform.