4 Royalty-Free Audio Tracks for "Polytone"

Suggestion of bitonality in Beethoven's Sonata in E♭ for Piano, Op. 8la.

Bridge chord, named after en:Frank Bridge. Major chord with a minor chord a semitone above. Chord pictured followed by arpeggio with Db minor at the octave.

Bridge chord, named after en:Frank Bridge. Minor chord with a major chord a whole tone above. Chord pictured followed by arpeggio with D major at the octave.

Example of bitonality. BWV 803. Klavierubung Part III, Duetto II.