Wait :O I watch that video / if u want use a song > first : go to "+" and click the "drawing" if u draw smth click "logic" and click "+" (is a rules) and use is > "when is creator and Repeat every second < bc will start song again over again and choose" play a sound and click "genarthen (idk) and click to" from my filee"and if u inside click gallery and now choose song u want I hope this help ¦3

Got lazy making the background ✌️😭

Or try this better will help u <D / here : https://s.castle.xyz/NJN-e7U0JUm6