Chopin's Prelude #4 (measures 4 - 5)

In a similar way, Chopin goes from the V/ IV to the IV degree chord (the A is played by the right hand).

Middle voice - Anticipates the 7th of the IV degree (G natural).

Upper voice - Moves chromatically from D to C natural using a chromatic passing tone (C#).

Melody - Moves chromatically B- Bb - A