Final answer:
The correct answer is a) Familiar melodies, score, as a well-composed score plays a pivotal role in a film's reception and can enhance ticket and soundtrack sales by aligning the audience's emotions with the on-screen narrative.
Step-by-step explanation:
Although familiar melodies provide an audience with a comfortable frame of reference, the introduction of a pleasing score often enhances sales not only of the movie soundtrack but also of tickets to the film itself. Therefore, the correct answer is: a) Familiar melodies, score.
The power of a strong score is evident in how it can influence an audience's emotions and the overall reception of a film. For instance, a soft and soothing soundtrack can suddenly swell into a happier tempo, causing the viewer's emotions to align with the storyline being presented on screen. This emotional resonance can drive the success of both the soundtrack and the movie.