search Alchemist is a Hip-hop radio station in Grand Theft Auto: Chinatown Wars . All the songs have been made by Gangrene, a collaboration between The Alchemist and Oh No . Tracklist Gangrene - "The Lost One" Gangrene - "Haha" Gangrene - "Assassin" Gangrene - "Crimerate" Gangrene - "Future Trains" Gangrene -