I didn't spot any sound related stuff here.
(Digression) Anyway, a bat (batch) file is nothing more than a set of dos commands executed in order, and the batch is not terminated until (hopefully) all commands have been executed. For instance the lines "intro", "lang" and "fury" are dos commands, and this bat file tells the machine to run those exe files in that order.
Sorry, but I have no idea how to solve this. Maybe someone else has. Good luck
