When Ajax, Ontario-born Tyler “T-Minus” Williams was only 18-years-old, a working relationship with fellow-producer Mathew “Boi-1da” Samuels led to him prodcing one of Drake’s breakout mixtape singles, “Replacement Girl” featuring Trey Songz. Drake became the first unsigned Canadian rapper to have a music video featured on BET, and in turn, it jump-started a career south of the border for all three of these GTA talents.

Read more about T-Minus and check out a playlist of some of his work with artists such as Drake, Ludacris, Lil Wayne, Kendrick Lamar, Nicki Minaj, and more over at our sister site Pop Hunter.