If you’re working on an assignment or a project for a paid client, the deadline is your own responsibility. We can’t rush to help you just because you’re in a hurry. I hope you understand that.
You haven’t given much explanation about how your app is supposed to work. Your explanation makes sense but how is your app designed to do that? For example, what would the expected outcome be (e.g. variable values) and what is actually happening when you preview it?
You might need to use the “when [sound] source loaded” block. See Sound - Thunkable Docs.
Which parts of the code do you want help with?