From the sixth measure on
might easily become:
This rearranged phrase grouping should in no way be misunderstood to mean that the tempo should be beaten in 4/4 Andante. Merely, the more compact grouping of faster notes in a slower tempo is often a mental help to both conductor and player in bringing out the proper musical inflection.
A glance at the following example will show how readily the opening theme of the “Eroica Symphony” falls into groups of four measures each.