Neue Bach-Ausgabe
... that it took more than half a century to complete the Neue Bach-Ausgabe, the second edition of the collected works of Johann Sebastian Bach?
... that it took more than half a century to complete the <b id="mwDl0"><a class="mw-redirect" href="./Neue_Bach-Ausgabe" id="mwDl4" rel="mw:WikiLink" title="Neue Bach-Ausgabe">Neue Bach-Ausgabe</a></b>, the second edition of the collected works of <a href="./Johann_Sebastian_Bach" id="mwDl8" rel="mw:WikiLink" title="Johann Sebastian Bach">Johann Sebastian Bach</a>?