Based on their titles, String Quartet in B-flat Major composition is least likely to be an example of program music. Hence, Option D is correct.
When referring to literature, the term composition can be used to describe authors' choices, their design processes, and occasionally the finished outcome of a publication. In its original usage.
It frequently referred to procedures relating to the creation of oratorical performances, and later essays, narratives, or genres of imaginative literature.
Therefore, Option D is correct.
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