Think about a television show that has a memorable theme song as part of its opening. What purpose does that song serve?

A. It creates an earworm.

B. It sets the tone for the show.

C. It tells what the show is about.

D. It describes the main character.

B. It sets the tone for the show.

The purpose of a memorable theme song in the opening of a television show is to set the tone for what the viewers can expect from the show. It establishes the mood, style, and genre of the show, helping to draw viewers in and get them excited for what's to come. The theme song can become synonymous with the show itself and instantly evoke memories and emotions associated with the show.