How Mike Posner Wrote Justin Bieber’s ‘Boyfriend’

Justin Bieber’s 2012 hit single “Boyfriend” originated one evening when Mike Posner improvised over the artist Blackbear’s guitar playing. The hook came from Posner’s affinity for “if / then” statements in songs. In this Tonight Show web interview, Posner shared the song’s story and his songwriting rituals. 

How Mike Posner Wrote Bieber’s ‘Boyfriend’