"The Ballad of Gay Tony" is an expansion pack for the video game Grand Theft Auto IV, released in 2009. It follows the story of Luis Lopez, a nightclub manager and bodyguard for Tony Prince, also known as "Gay Tony." The game explores themes of loyalty, friendship, and the nightlife of Liberty City. Players engage in various missions that involve criminal activities, including heists and gang conflicts. The expansion introduces new gameplay mechanics, vehicles, and weapons, enhancing the overall experience. It also features a vibrant soundtrack and a diverse cast of characters, contributing to the game's immersive atmosphere.