The subject of the work is "Discord Merely Magnifies" in 1976 by David Hockney. The drawing technique used is not specified. The colors used are not mentioned either and the type of paint used is also unknown. This particular artwork's meaning and other specific information about it are not provided in the given context.
Style
Information about David Hockney's art movement style and tone used in this work is missing from the prompt. As a sentence about painting: Storytelling through various techniques such as canvas prints, oil painting reproduction, replicas, artworks, paper prints showcasing paintings with high-resolution image downloads available for sales can be found within David Hockney's oeuvre.