In this video, we go over the music theory of dissonant auxiliary chords. Auxiliary chords include neighbor note chords, but also include other kinds of dissonance, such as Appoggiaturas, unprepared suspensions, and indirect passing tones.

0:00 Neighboring Tones and Chords
4:48 Mozart Rondo in D major, k. 485
8:54 Schubert Quintet in C major, D. 956
12:14 Auxiliary Dissonances
19:55 Tchaikovsky Symphony no 5, op. 64 II
21:00 Chopin Nocturne op 27 no 2
24:25 Schubert's Weird Chord

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Music clips from Creative Commons artists:
Harald Vetter, Piano (Mozart Rondo, k. 485)
Chamber Music Society of Lincoln Center (Schubert D. 956)
DuPage Symphony Orchestra (Tchaikovsky 5)
Andrys Basten, Piano (Chopin op 27 no 2)

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