To answer a few questions, I wrote the music and recorded it first. The frames were photographed with a Canon Rebel using 20-30 second exposure time. I used a small green LED keychain light to draw each frame. Once all the positions were photographed they were strung together and synchronized to the music in After Effects.
Sunday, July 12, 2009
This light-painted piano performance mashup set against the San Diego skyline was created by Ryan Cashman: