: Second Phrase

The second phrase begins with a repetition of the first. However, in measure 29, a progression of diminished seventh chords ensues:

The progression begins with an ascending minor third. Note that both chords contain the same notes:

This is followed by a descending minor second:

We can simplify the progression by removing the minor third chords because they are the same:

After simplifying, we identified a sequence of ascending diminished seventh chords. All the notes in each chord move using a whole tone scale.

Substituting each diminished seventh chord with an equivalent dominant seventh chord reveals a cycle of fifths that leads back to B-flat:

© 2019 José Rodríguez Alvira. Published by teoria.com