in Music News Hot 100: Justin Bieber Claims Top Two Slots; Alessia Cara Enters Top 5, Chainsmokers Top 10
in Music News Twenty One Pilots’ “Stressed Out” Reaches #2 on iTunes Sales Chart; Justin Bieber Still Leads
in Music News, Music Reviews 2015’s Best Pop Hits: Alessia Cara, Jason Derulo, Chainsmokers, Jack U & Bieber, Taylor Swift Rank in Top 10