You don't get a great view of the fountains from 1500ft and you can't hear the music
http://www.thedubaimall.com/en/enter...ifountain.aspx
Evening Shows
Daily: 6:00pm to 11:00pm
(Every 30 Minutes)
I think there was a recent discussion here about the best restaurants to view the fountains. There is also a list on the trip advisor Dubai forum. Anything from fine dining to TGIs and Five Guys.
Last Burj Khalifa entry is 11pm on a Saturday. Make sure to book in advance.
https://tickets.atthetop.ae/atthetop...okingInfo.aspx