I am writing a fantasia where I am representing the flow of a river from a little stream out to sea(I even nicknamed the piece River Fantasia), and because it is a fantasia, I'm not really focusing on the themes, motives, etc. like I would for a sonata. I'm just improvising the melody and bass as I go along. But I do have an arc for my fantasia which goes like this: As you can see, the contrary motion is part of how the bass line sinks from the treble clef into the bass clef, and scales a