This is describing a passage grave.
An elaborate musical composition for full orchestra, typically in four movements, at least one of which is traditionally in sonata form.
"Beethoven's Fifth Symphony"
HISTORICAL
an orchestral interlude in a large-scale vocal work.
NORTH AMERICAN
(especially in names of orchestras) short for symphony orchestra.
"the Boston Symphony"
Eliott Carter was an American composer, whose personal harmonic and rhythmic language led to the invention of the term metric modulation. The latter describes frequent, precise tempo changes. In David Schiff's book "The Music of Elliott Carter", it is written that Elliott Carter preferred to call it tempo modulation.
