This could be true. The stimulus doesn’t offer information on how Bach felt about the year ending. While his prelude on this topic wasn’t celebratory, we know that Bach’s music wasn’t designed to express his feelings.

This must be true. Bach was a master artist, which implies that he never created music to express his feelings.

This must be false. Master artists such as Bach never create music to express their feelings. If someone does create music to express their feelings, they must not be a master artist, and therefore must not be Bach, as shown in the diagram below.

This could be true. While we know that most great chorale preludes written for the organ were composed by Bach, we don't have information about his preludes for other instruments. Bach's organ preludes may have been fewer in number compared to his preludes for other instruments.

This could be true. We know there are some great chorale preludes written specifically for the organ—we don’t know how these compare in number to the great chorale preludes for other instruments.