Listen to What Do You Mean (A Tribute to Justin Bieber) online. What Do You Mean (A Tribute to Justin Bieber) is an Unknown language song and is sung by Cosmic Sound. What Do You Mean (A Tribute to Justin Bieber), from the album What Do You Mean (A Tribute to Justin Bieber), was released in the year 2015. The duration of the song is 3:21. Download Unknown songs online from JioSaavn.