HARV on Helping Justin Bieber Create a 'New Format of R&B' for 'Changes': 'He's the Leader of Whatever's Next'

HARV, whose full name is Bernard Harvey, has had quite a year already: He co-wrote and co-produced three tracks on Justin Bieber's new album, Changes, which debuted at No. 1 on the Billboard 200 (dated Feb. 29) with 231,000 equivalent album units, according to Nielsen Music/MRC Data, the fourth-biggest debut of the year so far (after BTS's Map of the Soul: 7, Eminem's Music…