it flashes to the beat. Purple ring is sub Blue is bass Red star is treble
Thought I shared this long ago. Maybe not. Realized it wasn't when I went to look for it ...so I could mention it in a post. https://scratch.mit.edu/discuss/topic/192010 Used flvto.biz to snag the song from youtube.com/watch?v=e9qjNNvsgRg