A demo of Where Are You Now was written by Bieber .
It was released simultaneously with the album on February 27 , 2015 , later sent to mainstream radio on April 21 , 2015.Initially , a demo was written by Nick as a piano ballad titled `` The Most '' , however Bieber decided to send the track to the duo , who transformed the track into electronic dance music , but maintained the original lyrics .
Where Are Ü Now