Listen to Know Who You Are (From "Moana"/Soundtrack Version) online. Know Who You Are (From "Moana"/Soundtrack Version) is an English language song and is sung by Auli'i Cravalho, Vai Mahina, Olivia Foa'i, Opetaia Foa'i and Matthew Ineleo. Know Who You Are (From "Moana"/Soundtrack Version), from the album Moana (Original Motion Picture Soundtrack/Deluxe Edition), was released in the year 2016. The duration of the song is 1:13. Download English songs online from JioSaavn.