Luard writing in 1921 compares the running action of an animal with the run and rhythm of an air in music, but the instantaneous moment recorded by a photograph as a detached chord with little meaning or context.
Luard, in his 1921 composition, equates the movement of an animal with the tempo and cadence of a musical air, but the fleeting instant captured by a photograph as a solitary note devoid of significance or surroundings.