Very nice simple rhythm game, I like the visual style and the synchronisation to the songs achieved with the visuals, it adds a lot of good game feel.
I do think that the Signal theme implementation is a bit of a stretch so that is a bit of a weak point for Jam rating, the gameplay itself is fun enough because of the visual responses to the beats, which leads into one of the more unfortunate parts of the submission;
I think you have violated copyright law by using these soundtracks. Do be careful of that, especially if you have a donation button, if you get any commercial gain from unlicensed usage of copyrighted material you can get into some trouble and have to pay the copyright holders.