NSURL *fileURL = [[NSBundle mainBundle] URLForResource:filename withExtension:nil];
if (fileURL != nil)
{
	SystemSoundID theSoundID;
	OSStatus error = AudioServicesCreateSystemSoundID((CFURLRef)fileURL, &theSoundID);
	if (error == kAudioServicesNoError)
		soundID = theSoundID;
}