Johanna, from Stephen Sondheim's musical 'Sweeney Todd: The Demon Barber of Fleet Street,' features a haunting melody and poignant lyrics that capture themes of love and longing. Its dramatic style makes it a compelling choice for Halloween radio listeners, as it embodies the darker elements of the story. The track showcases Sondheim's genius in blending musicality with storytelling, making it a standout piece in musical theatre.