example of loading and laying sound files (.wav) from directory in app bundle

loadAndPlaySounds.swift

import AudioToolbox

    func loadAndPlaySounds() {
        var path = NSBundle.mainBundle().bundlePath.stringByAppendingPathComponent("sounds")
        
        if let fileNames = NSFileManager.defaultManager().contentsOfDirectoryAtPath(path, error: nil) as? [String] {
            
            for fileName in fileNames {
                var filePath = path.stringByAppendingPathComponent(fileName)
                println("filePath = \(filePath)")
                let soundURL = NSURL(fileURLWithPath: filePath)
                var mySound: SystemSoundID = 0
                AudioServicesCreateSystemSoundID(soundURL, &mySound)
                AudioServicesPlaySystemSound(mySound)
                
            }
            
        }
    }