People who have seen, or even just heard of the Dark Side of Oz probably already know what the Rainbow Effect is. The idea is to try and find a relationship between sight and sound. you take a video of your choice, and then replace the audio with whatever you like. you can choose where ever you like to start the audio, but once you do, you have to let it play uncut and unedited to the video. if all goes well, a chain of coincidences will accrue called the Rainbow Effect. music with similar themes, or durations seem to work the best, the trick is in finding the right place to start, and the only rule is you can not edited, speed up, or slow down the video, you just hit play, sit back and hope it works. here are some efforts that I have tried......