Please use "NSTimer scheduledTimerWithTimeInterval:5.0 target:myPlayer selector:@selector(stop) userInfo:nil repeats:NO.
Not to avoid the question, but the play-an-empty-sound-in-the-background bit is a hack. The ability to play a sound in the background is provided so that you can play music or other sound for the user's benefit, not to keep a background process alive.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.