Marshmello & Kane Brown’s ‘One Thing Right’ The DJ joins forces with country star Kane Brown for ‘One Thing Right.’ MORE >> EDIT 2: The post has been updated (again) with Halsey & Marshmello’s dreamy “Be Kind” video. Watch it below. EDIT 1: The title has now been confirmed. Here’s some good news! Marshmello and Halsey have teamed up for a new single and it drops on Friday (May 1).