Are you doing anything on September 23rd?
Well cancel all plans and check out the official Red Dead Redemption multiplayer event. It’s going to be a Myths and Mavericks affair, so prepare accordingly and make sure you’ve grabbed the free download by then – and look for the announcement of the new October through December calendar of events in the next few weeks….

TO DOWNLOAD ON PLAYSTATION NETWORK
Once you’ve registered for a PlayStation Network account you can then scroll to the PlayStation Network icon on your XMB and select PlayStation Store. The Red Dead Redemption Myths and Mavericks Bonus Pack is available from the Add-On section.

TO DOWNLOAD ON XBOX LIVE
Simply go to Xbox LIVE Marketplace with your connected Xbox 360 console and select the Red Dead Redemption Myths and Mavericks Bonus Pack from the Game Add-ons section of Marketplace. Alternatively, you can download the DLC from the Xbox LIVE Marketplace website and have it ready and waiting for you the next time you go online with your Xbox 360 (requires Xbox LIVE Gold Membership for online play).