Scratch Trophy

This one actually seems far more complex than it actually is. When you get access to the club - as part of the story, so don’t worry if you can’t get in when you get to Midtown - all you need to do here is grab the vinyl on the table on the left (looking at the DJs) and put it on the turntables. Once you’ve done that the  button will no longer be greyed out on the decks and you can scratch the vinyl. Do that and this trophy is yours.