Final answer:
In the novel Don Quixote, Sancho Panza is musically represented through his simple and rustic songs, reflecting his humble background and role as a common laborer.
Step-by-step explanation:
In the novel Don Quixote, the character of Sancho Panza, who serves as Don Quixote's loyal and comical sidekick, is musically represented through his simple and rustic songs. These songs often reflect Sancho's humble background and his role as a common laborer. They bring a sense of authenticity and humor to the story and help to highlight the contrast between Sancho and the idealistic Don Quixote.