What is emphasized in W. H. Auden's "Musée des Beaux Arts" but not in Brueghel's Landscape with the Fall of Icarus? From the differences in emphasis, what conclusions can you draw about the similarities or differences between the two works' themes?

Which pair of uses of figurative language from “the caged bird” support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams