K. 70, 4/4, B-flat major, 2:30 (including repeats)

In the Fadini edition, there is no tempo marking.

Following the initial imitation between the upper and lower voices, the continuous sixteenth notes ensure the musical momentum.

The synchronized ascending and descending motion of both hands is thought to reflect the physical sensation of performance in the composition.

A formal displacement, a characteristic observed throughout Scarlatti's sonatas, can be pointed out in instances such as the reappearance of material from the latter half of measure 23, which is displaced by a half measure relative to the material from measure 7 onwards in the first half.