In music, Genre refers to musical style such as House, Electronic, Techno, Hip-Hop, Trap, R&B, Hardcore, Trance and many more. You need to first determine which genre you want to play. Its better to update with all kinds of music taste .Playing Multiple Genres helps you to distinguishes you from other DJs.
Building a Multi-Genre library, improving selection skill, and Mixing process that will come in handy when your audiences change every time you play out.