South London's Poundz used his charisma and bold vocals to break into the U.K. mainstream in the late 2010s, securing a Top 40 hit with the minimalist "Opp Thot." Having spent his formative years listening to the likes of Stormzy and Section Boyz, South London's Poundz realized his own musical ambitions in his late teens, fusing his U.K. hip-h...