A few settings on vvvv made the computer generate colorful circle variants, responding the sound. Computer microphone picks up the sound and let it into the vvvv program.
Display shows two real-time video.
1. playing guitar man in front of computer camera, decolorized view set on vvvv,
2. Popping up colorful circles from the center location of display.
Low resolution and camera shake are due to use of compact digital camera recording.
Satisfied mood accordingly.