Updated at 8:57 p.m. ET
To say that Mike Posner's career is unpredictable is an understatement. In 2010, his debut song, "Cooler Than Me," hit the charts worldwide, and to date has sold more than two million copies in the United States. But not long after the success of that hit, Posner's career stalled, so he decided to take that time to co-write with other artists like Justin Bieber, the producer Avicii and Maroon 5.