▁de est , ▁is ▁a ▁composition ▁for ▁viol in ▁and ▁piano ▁( or ▁har ps ich ord ) ▁published ▁in ▁England ▁during ▁the ▁ 1 8 th ▁Century ▁under ▁the ▁name ▁of ▁Wolfgang ▁Ama de us ▁Moz art . ▁It ▁is ▁typical ▁of ▁many ▁such ▁works ▁intended ▁for ▁use ▁by ▁amateur ▁mus icians ▁in ▁a ▁domestic ▁setting , ▁with ▁the ▁att ribution ▁to ▁a ▁well ▁known ▁composer ▁being ▁used ▁to ▁boost ▁sales . ▁As ▁with ▁Moz art ' s ▁earliest ▁viol in ▁son at as , ▁the ▁keyboard ▁instrument ▁is ▁dominant . ▁ ▁Background ▁ ▁The ▁composition ▁first ▁appeared ▁in ▁an ▁und ated ▁score ▁published ▁by ▁J . ▁B land ▁of ▁London ▁entitled ▁" A ▁favorite ▁Son ata ▁for ▁the ▁P iano ▁For te ▁or ▁Har ps ich ord , ▁with ▁an ▁accompan iment ▁for ▁a ▁Vi olin , ▁Com posed ▁by ▁W . A . ▁Moz art ". ▁ ▁Sch ol ars ▁have ▁been ▁unable ▁to ▁date ▁the ▁published ▁score ▁to ▁earlier ▁than ▁ 1 7 8 0 , ▁which ▁cast s ▁strong ▁doubt ▁on ▁Moz art ▁being ▁the ▁actual ▁composer ▁as ▁his ▁last ▁visit ▁to ▁London ▁was ▁in ▁the ▁ 1 7 6 0 s . ▁ ▁While ▁the ▁practice ▁of ▁music ▁publish ers ▁att rib uting ▁the ▁work ▁of ▁others ▁to ▁well ▁known ▁compos ers ▁was ▁common ▁until ▁the ▁ 1 9 th ▁century , ▁to ▁date ▁no ▁other ▁compos ers ▁name ▁has ▁been ▁attached ▁to ▁the ▁piece . ▁ ▁Str ucture ▁ ▁The ▁composition , ▁which ▁has ▁a ▁typical