King Arthur
...that the opera King Arthur is unusual because the principal characters do not sing, rather they recite dialogue accompanied by music?
...that the <a href="./Opera" id="mwBLo" rel="mw:WikiLink" title="Opera">opera</a> <i id="mwBLs"><b id="mwBLw"><a href="./King_Arthur_(opera)" id="mwBL0" rel="mw:WikiLink" title="King Arthur (opera)">King Arthur</a></b></i> is unusual because the principal characters do not sing, rather they recite <a href="./Dialogue" id="mwBL4" rel="mw:WikiLink" title="Dialogue">dialogue</a> accompanied by <a href="./Music" id="mwBL8" rel="mw:WikiLink" title="Music">music</a>?