Elisabeth Rodermund, known professionally as Lisa Middelhauve (born Elisabeth Schaphaus on 28 November 1980), is a German musician, better known as the former lead vocalist and pianist (on the earliest works) of German symphonic metal band Xandria from early 2000, until April 2008, but returned as their singer in 2010, only to finish the remaining live shows due to their second lead vocalist, Kerstin Bischof's departure.