This is what most of my drawings start as- listening through fancy head phones,  with my aural/visual response on a napkin which is my favorite drawing paper.  I scan the napkin, clean up the image and colorize a multitude of color and texture choices in Photoshop, blow up the image to size I want to sew, print pattern and use as stencil to cut fabric for completed piece, hand embroider in place and VOILA- there it is