ベルリン・ドイツ交響楽団
Sobotka is a frequent guest of Rundfunkchor Berlin with whom she appeared several times in Berlin Philharmonic Concert Hall, and also participated at the International Festival of Music and Dance of Granada, alongside with American superstar organist Cameron Carpenter. Other common projects include recording of Deutsche Motette op. 62 by Richard Strauss for Coviello Classics and appearance at Berliner Cathedral for Christmas Concert alongside with Deutsches Symphonie-Orchester Berlin (2016).