 Consistent with this press report, parts of the soprano role were altered around this time with Nilsson's capabilities in mind.Thomas replaced a dialog with the women's chorus in the Mad Scene in act 4 with a Swedish Ballade.The ballad is Neck’s Polska, "Deep in the sea” (in Swedish Näckens Polska, “Djupt i hafvet”) with lyrics by Arvid August Afzelius.