♪ Scales: major & minor (natural, harmonic, ascending melodic, pentatonic)
♪ Tone spacing/musical intervals (e.g. tone & semitone)
♪ Stave (staff) displaying the scale key signature
♪ Representation of piano keys
♪ Scale degree names (e.g. tonic, supertonic, mediant, etc.)
♪ Enharmonically similar notes (e.g. C-flat)
♪ Quickly switch to the relative key in major/minor scales
♪ Violin and piano sound effects
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