As Todd's killings escalate, the musical explores themes of obsession, madness, and the blurred lines between good and evil. The character of Mrs. Lovett, Todd's accomplice and confidante, adds a layer of complexity to the story, raising questions about morality and the nature of evil.
"The Ballad of Sweeney Todd" is the haunting, recurring musical framework of Stephen Sondheim’s 1979 masterpiece, Sweeney Todd: The Demon Barber of Fleet Street . It serves as a Greek chorus, framing the narrative and inviting the audience to "attend the tale".
: The song is primarily in F# minor , utilizing an "incessant ostinato" in 6/8 time that creates a sense of driving urgency. It avoids traditional resolutions, often using flattened 7ths to create an unsettled "Aeolian mode" character.
"Swing your razor wide, Sweeney! / Hold it to the skies! / Freely flows the blood of those / Who moralize!". Final Epilogue:
: Often intercut with the Ballad is a "shrill factory whistle," a leitmotif representing the industrial grind of Victorian London and the literal moment of Todd's kills.
