Painting with sound, awesome! The artist Martin Klimas splattered paint in different colors over the diaphragm of a speaker. Then turning the volume up, the vibration of the speaker sent the paint aloft in patterns.
Zentangle DIY ink bubbles tutorial by on deviantART . great inspiration for when I'm drawing and can't figure out what pattern I want to use next. Which happens more often than I'd like to admit. -- what a great idea!