The Ballad of Gay Tony on its own will be available for download on Xbox Live for AU$26.40 or 1600 Microsoft Points when it’s released on October 29.
There's also a disc version called Grand Theft Auto: Episodes From Liberty City which includes both The Lost and Damned and The Ballad of Gay Tony episodes. It'll retail for AU$69.95, or you can purchase both episodes as downloads for AU$52.80. The downloaded version requires the original GTA IV to play. <a The disc version does not.
The trailer is titled, "You'll Always Be King Of This Town". (But of course!)