In this guide, you will come to know where to collect a Record and then place it in a Turntable in Fortnite. You have to follow the instructions in this guide to complete the quest.
You will first need to go to the believer beach and then move down the dock after speaking and getting the quest from Ariana Grande.
You will find a house on your left side, go inside that house, and you will find a room at the back having disco lights, a DJ booth, along speakers. You will see a box with the records; you can collect the records and then play it on the turntable, as shown in the image below.
It will also complete your quest.