It is just music and anybody can push play.
In essence, a monkey can push play, but are you going to trust a monkey with one of biggest days of your life? A professional dj prepares the playlist based on what the couple wanted. A true professional knows the keep the cocktail and dinner music at a lower volume, so the guests can socialize and not have to yell over the music. The party music is at a louder volume to get the party really started. With the excitement of the wedding, time zooms by and a true professional keeps the wedding within the timeline.
They play the same music for every wedding.
You must be tired of the YMCA or the Chicken Dance or Celebration. To make sure the songs are not played at your wedding then make a DO NOT PLAYLIST. Bride and groom work with the DJ to make a customized playlist. Cocktail hour can be classic Jazz sounds or can be 90’s R & B. Dinner music can be classical music or 80’s soft rock. Every wedding is different so the playlist will be different.
All DJs are the same.
This is not true by any means. Some Djs have the gift of gab on the microphone while others stand behind their music collection. Some djs do not know how to mix and fade songs out and put new songs in. Some djs can mix songs like you hear on the radio with a smooth transition. Equipment is not the same also and some djs would like a lot of bass and volume while others focus on the clarity of the music. Like other wedding vendors, there are so many choices out there.