"BWV 972-987 \"Clavier\"" . "Clavier" . "38453994" . . . . . "Clavier" . . . "BWV 972-987 \"Clavier\"" . "An Italian concert" . . "BWV 972-987 \"BWV 972-987 \"Clavier\"\"" . . . . "16 concertos" . . "An Italian concert" . "16 concertos" . "BWV 972-987 \"BWV 972-987 \"Clavier\"\"" .