Discover how your application can access and play songs, podcasts, or audio books from the user's iPod Library. Experience the high-level interface for audio playback and recording. Bring multi-player capabilities to your games and enable communication between devices with GameKit.
* You must be registered as an Apple Developer to download the full version of the Essentials videos. The full version of the Advanced videos and iPhone Developer Forums are available to members of the iPhone Developer Program.
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