Here are the final sequences from shape A>B, B>C, and C>A. The animation will be seamlessly looped. I am considering using some songs by Unwed Sailor, an indie instrumental band. Their album The Marionette and the Music Box (2003) has many considerable songs that are excited at first and drop down to a sad song. I feel this matches my haiku perfectly.
Below, my final shapes, live traced > cleaned up/erased > vectored images.