Double-click flag so that the music syncs! You can replace characters by going into their costumes and replacing the poses with your characters' poses. You can also change some of the animation code if you want it to look different. For the pendulum that the opponent holds: You can either try and keep your character's hand in the same place as scratch's or edit the x and y values in the "REPOSITION PENDULUM" blocks in each pose's broadcast (and the idle) until it looks right
Might have taken most of my effort or not but whatever there’s a variable to disable dialogue if you want to (it’s in backdrop titled “Dialogue>”) btw I edited the chart cuz the OG chart had missing notes and incorrect timing notes