is the most appropriate introduction for a caption about Vincent van Gogh’s “Portrait of Dr. Gachet”.

This painting by Vincent van Gogh, titled “Portrait of Dr. Gachet,” illustrates feelings of gloom.

Explanation:

The other options are subjective, and this statement literally answers the question.

the answer is counterpoint.

counterpoint definition: "the art or technique of playing a melody or melodies in conjunction with another, according to fixed rules."

counterpoint is present in a lot of baroque music- such as bach (notably his wtc prelude and fugues) and scarlatti, but can also be found in music by mozart, beethoven. it can even be found in music as modern as john williams!