DJ Jan is highly recommended by multiple reviewers for weddings. He is praised for being helpful, responsive, and professional in understanding musical tastes and crafting timelines. Reviewers appreciated his ability to keep the crowd dancing, adjust to unexpected situations like storms, and provide a variety of music that catered to guests of all ages. Additionally, DJ Jan's versatility in setting up multiple spaces and his attention to detail in meeting specific requests were highlighted, with guests complimenting his ability to keep the party going and create a memorable experience.