Press S to check the sync. If the sync is behind (If the number is over 0), go into Turbo mode (shift + flag) and wait until the sync equals zero. If the sync is ahead, (if the number is under 0 [i.e. negative numbers]), make your computer lag.
Song by Alan Walker Huge shout out to @poplopuk_ALT. I'm probably filling up their remix tree at the moment, but, Hey, you're awesome! I'm getting better at these things. I finally found the pixel in the center of the costume for the sparkles, and I changed the colors (hope you like them! I'll be changing them in every one of these, now.)
