The title sequence of David Fincher's film "Zodiac" features a typewriter font that evokes the 1960s setting and main character's job as a political cartoonist. The font then dissipates into the letters of the Zodiac Killer's unsolved ciphers, foreshadowing the codes that will be central to the film. The sepia-tinted visuals and faintly yellow coloring portray the hustle of a 1960s newsroom while reminding viewers that a killer is still on the loose. Santana's 1969 song "Soul Sacrifice" plays over the sequence, its drums and instruments adding to the 1960s atmosphere and traffic sounds of San Francisco while emphasizing the chaos of the morning