35 questions to ask your wedding DJ You and your wedding guests look forward to dancing the night away. Music can make or break your big day, so it is important to choose your DJ wisely. To guide you, we put together a list of questions to ask potential DJs. Is the DJ available on the date you need them? How long have they been in business? How many events/weddings have they provided music for per year? Are weddings their main events or do they play at other events or clubs?