Dionne Warwick and Chance the Rapper have recruited The Weeknd for their forthcoming charity single, ‘Nothing Is Impossible’.In a short video posted to Twitter on yesterday (December 15) legendary soul and R&B singer Warwick said she was “so excited” that The Weeknd had agreed to join them on their collaboration.The single – penned by Warwick’s son Dionne Damon Elliott, according to TMZ – will benefit the non-profit charity Hunger Not Impossible, whose aim is to fight hunger by connecting