‘Widerperspectivesareneedednow,’statesDavidHockney,referencingbothtechnicalwaysofseeingandtheparametersofwhatwechoosetoview,inthisspiriteddocumentaryningtheartist’scareer.DirectorRandallWright–whoseprevioussubjectsincludeLucienFreudandSisterWendyBeckett–isheregiftedaspectrumofarchivematerial,whichis...