Timer & Sound Question

SRS777

I have a couple of questions as I am new to game salad first can we use the sounds that are already in game salad when making are iphone games, second I am having a lot of trouble with timers I am making a game where you have 45 seconds to complete a task but when you succeed and go to the next level the timer does not reset and I cant seem to make a timer that will reset please help Thanks.