The Tale of Sweeney Todd character of Sweeney Todd, the Demon Barber of Fleet Street, originated in an 1846–47 penny dreadful entitled "The String of Pearls". In 1847, George Dibdin Pitt adapted the story for a stage melodrama. A directed by George King was the first screen version. Christopher Bond's 1973 stage adaptation was musicalized by Stephen Sondheim in 1979. Schlesinger's film is a dramatic departure from the previous narratives. It dispenses with all the characters except Todd and Lovett, adds the plotline involving the missing diamonds, and offers a completely different reason for Todd's murder spree. The Victorian era locales were filmed in Dublin,
Sweeney Todd: The Demon Barber of Fleet Street Tunick. Relying heavily on counterpoint and angular harmonies, its compositional style has been compared to Maurice Ravel, Sergei Prokofiev, and Bernard Herrmann. Sondheim also utilizes the ancient Dies Irae in the ballad that runs throughout the score, later heard in a melodic inversion, and in the accompaniment to "Epiphany". According to Raymond Knapp, "Most scene changes bring back 'The Ballad of Sweeney Todd', which includes both fast and slow versions of the 'Dies Irae'". He also relies heavily on leitmotif - at least twenty distinct ones can be identified throughout the score. Depending on how and where the show is