Christian Heinrich Postel
... that texts by the lawyer and successful opera librettist Christian Heinrich Postel are part of Bach's St John Passion?
... that texts by the lawyer and successful opera librettist <b id="mwCAc"><a href="./Christian_Heinrich_Postel" id="mwCAg" rel="mw:WikiLink" title="Christian Heinrich Postel">Christian Heinrich Postel</a></b> are part of Bach's <i id="mwCAk"><a href="./St_John_Passion_structure" id="mwCAo" rel="mw:WikiLink" title="St John Passion structure">St John Passion</a></i>?