Songwriter, producer, and lyricist Markus Sepehrmanesh, a.k.a. Mack, has worked a lot with Zara Larsson, cowriting her hit songs ”Lush Life” and “Ain’t My Fault” as well as her previous hits ”Uncover” and ”Rooftop.” Besides Zara, Mack has also worked with Icona Pop (“Girlfriend”), Tiësto (“Let’s Go”) and VV Brown (“Shark In The Water”).