Schola Gregoriana Pragensis: Hasan El-Dunia, Marian Krejcik, Ondrej Manour, Michal Medek, Martin Proskes, Stanislav Predota, Marek Sulc, Matous Vlcinský with Petra Noskaiová - David Eben, art. dir. // Chapel of the Holy Trinity, Regional Museum of Social History and Culture, Ceská Lipa [11/2004]