They're all unique and memorable for so many reasons, it's difficult to choose just one!
Listens to what you want
The time and effort I have placed in sourcing the right equipment
Research, research and more research. Find out what you like and find out what you don't like. Don't be drawn into the sales pitches; make sure you know what you want and that each supplier can deliver that.
The decorations always make a difference and can transform a venue - my favourite two have been creating a magical forest feel and lego
I like to meet each bride and groom in advance to talk through what they want. If required I setup my online request system for the couple and their friends & family to add requests in advance. I keep in contact and share the final list of requests a few days beforehand and re-confirm the first and last dances.
The first dance is an experience, which needs the right people in the right frame of mind at the right time.
It depends on the crowd, at present it's Uptown Funk
Avicii
Personally, I'm a huge Trance fan although it's not often that I play any at a wedding.