Alexander Glazunov wrote one of these pieces, his Seventh.  Another of these works includes a wordless soprano in the final movement, was described by its composer as "four movements, all slow" and by Constant Lambert as "a cow looking over a gate". A non-freestanding example is the thirteenth movement of Handel's Messiah, also known as "Pifa".  In addition the aforementioned elegy to World War I dead, Ralph Vaughn Williams' Third, the best-known work of this name, which unusually has five movem
Alexander Glazunov wrote one of these pieces, his Seventh.  Another of these works includes a wordless soprano in the final movement, was described by its composer as "four movements, all slow" and by Constant Lambert as "a cow looking over a gate". A non-freestanding example is the thirteenth movement of Handel's Messiah, also known as "Pifa".  In addition the aforementioned elegy to World War I dead, Ralph Vaughn Williams' Third, the best-known work of this name, which unusually has five movements, features a second movement entitled "By the Brook", a depiction of a thunderstorm, and is subtitled "Recollections of Country Life".  For 10 points, give this common name, whose examples include Beethoven's Sixth Symphony.
Alexander Glazunov wrote one of these pieces, his Seventh.  
{Pastoral} Symphony ({just} "{Pastoral}" is {needed} after the end of the {question})