Listen to The Bargain – Waltz of Treachery online. The Bargain – Waltz of Treachery is an English language song and is sung by Les Misérables - 10th Anniversary Concert Cast. The Bargain – Waltz of Treachery, from the album Les Misérables (In Concert at the Royal Albert Hall), was released in the year 1996. The duration of the song is 2:55. Download English songs online from JioSaavn.