As an unsteady wind pushes clouds along in the sky, so performers will move frequently through several key changes and numerous tempo adjustments to be interpreted by pianists. Keys include E, D and Eb Major and tempo markings include: moving along, hurried and slight accelerando, ritardando, a tempo and Tempo I. Occasional blurring of harmonies occurs as they collide much like clouds, leading to new formations. Clouds, an excerpt from Vignettes for Solo Piano, whose form is through composed, explores the interval of a sixth.