Beyond that we cannot go, for a third more and we are back to the basic note, two octaves away.
But innovations in harmony are rare in Offenbach's work.

What makes him interesting is his fertility in invention of melodies and few have equaled him in this.

He improvised constantly and with incredible rapidity.

His manuscripts give the impression of having been done with the point of a needle.

There is nothing useless anywhere in them.