I apologize for lag issues. I didn't have this problem before Scratch 2.0's web player when you could download the project to your computer. Oh well, looks like my careful timing with the speaker animations has gone to waste...
I absolutely hate this song, but I thought I'd do a Scratch project on it anyways because I had nothing better to do. This actually turned out to be quite complicated. It wasn't until after I'd synchronized the subwoofer animation with the music that I realized they'd look even better if they were fisheying instead of resizing themselves. Check for an update soon (if the meme lasts.)