When moving between two scale tone chords, it is common to use other passing chords to connect them together in a smooth line or to create tension and release in a progression. One of the most common chord types used for this purpose is the diminished 7th chord.
Now let's try passing chords in the context of Rhythm Changes, this time in the key of C. Use the chord shapes from the previous example, then experiment with other voicings to come up with different ways of playing the progression.