[2] He serves as lead vocalist and songwriter for the reggae fusion band Magic!, which he formed in 2012 with fellow Toronto natives Mark Pellizzer, Alex Tanas, and Ben Spivak.

He and Adam Messinger have produced songs for other music industry acts including Justin Bieber, Shakira, Pitbull, Chris Brown, and Halsey, among others.

Two of his co-writing credits, "As Long as You Love Me" by Justin Bieber and "Feel This Moment" by Pitbull, peaked within the Billboard Hot 100's top ten.

Nasri was born and raised in Toronto, Ontario, as a child of Palestinian Christian immigrants from Bethlehem.

[10][11] He helped drive the reunion of the New Kids on the Block in 2007, and wrote numerous songs for them including his first, "Summertime".

Over the course of the following years, Nasri wrote (usually with Messinger) for other major label artists such as Justin Bieber, David Guetta, Shakira, Cody Simpson, Cheryl, Boyzone, JLS, Kat Deluna, Elliott Yamin, Jason Derulo, Akon, Pitbull, Christina Aguilera, Chris Brown, Lana Del Rey, Big Time Rush, Iggy Azalea, Michael Bolton, Peter Andre, JoJo, Jay Sean, Vanessa Hudgens, No Angels, Manafest, and Iyaz.

released their highly successful debut single, "Rude", which peaked at number six on the Canadian Hot 100, topped the charts in the United States and the United Kingdom, and peaked within the top ten of the charts in Australia, New Zealand, Denmark, the Netherlands and Sweden.