Career
She toured with her band for 15 years, in Germany as well as abroad. Lou participated in the 2001 national finals, coming in third place. Shortly before Christmas 2002, composer Ralph Siegel asked her if she would be interested in competing in the national finals again with "Let"s Get Happy", a song he had written with lyricist Bernd Meinunger.
In March 2006, she made a guest appearance at that year"s German preselection, singing "Let"s Get Happy" in a medley of past German entries.