Listen to You Know What (Original Motion Picture Soundtrack) online. You Know What (Original Motion Picture Soundtrack) is a Kannada language song and is sung by Santosh Hariharan, Ananya Bhat and Monish Kumar M.K. You Know What (Original Motion Picture Soundtrack), from the album Vajra (Original Motion Picture Soundtrack), was released in the year 2017. The duration of the song is 3:42. Download Kannada songs online from JioSaavn.