“LouisArmstrong’sBlackBlues”offersanintimateandrevealinglookattheworld-changingmusician,presentedthroughalensofarchivalfootageandnever-before-heardhomerecordingsandpersonalconversations.Thisdefinitivedocumentary,directedbySachaJenkins,honorsArmstrong’slegacyasafoundingfatherofjazz,oneofthefirstinternationallyknownandbelovedstars,andaculturalambassadoroftheUnitedStates.ThefilmshowshowArmstrong’sownlifespanstheshiftfromtheCivilWartotheCivilRightsmovement,andhowhebecamealightningrodfigureinthatturbulentera.