Listen to Final Sequence online. Final Sequence is an English language song and is sung by Victor Garber, Merle Louise, Len Cariou, Edmund Lyndeck, Angela Lansbury, Sarah Rice, Ken Jennings and Original Broadway Cast of Sweeney Todd: The Demon Barber of Fleet Street. Final Sequence, from the album Sweeney Todd: The Demon Barber of Fleet Street (Original Broadway Cast Recording), was released in the year 2016. The duration of the song is 13:26. Download English songs online from JioSaavn.