I've taken the piece "Waltz of the Flowers" by Tchaikovsky, and synchronized it to a chain reaction marble run by hand. After listening to parts of this song hundreds of times to match things up I went a bit crazy. Subscribe if you'd like to see more chaotic contraptions. If you would like to support me making videos for this channel here is the link to my Patreon page: https://www.patreon.com/doodlechaos Contact: https://www.instagram.com/me.robbins/ https://twitter.com/doodlechaos contact@doodlechaos.com