With her song ``Berlin`` she wins in the final of the German pop price 2003. In spring 2004 they released their first EP-CD. The jury of the Robert Bosch foundation publishes their Berlin song on the Sampler “Ostwelle Berlin”. Tobias Siebert produced at the end of the year the second single “Luther” for the “Strandgut 3” sampler. For this song they produced the first video clip shot at Berlin Kreuzberg. The title becomes the ticket for the “Rocco Del Schlacko” sampler 2005. The label ZYX selects the title “Sag Niemals Nie” from their first EP-CD, for the “Aufnahmezustand” 4 sampler. This double CD presents a selection of new German pop music. In December 2005 they started with a new musical unplugged concept. The new sound of acoustic guitar and electronic components puts the unique voice and lyrics more into the foreground. Katjaa plays an unplugged show in the Tribuene theatre. They recorded the concert and published the album “Stromlos In der Tribuene” in 2006.
The Album “Der Weg” (mondo press berlin/EMG/2009) is going back to the dynamic guitar pop sound. 11 titles invite to dance and listen to stories full of emotions and an intensive atmosphere. A music mix between rock, new wave and pop.