Mona Hartmann studied church music and organ playing under Prof. Martin Sander at the Detmold Academy of Music and then with Prof. Martin Schmeding at the Hochschule für Musik und Theater in Leipzig. She is a laureate of numerous international organ competitions (including St Albans, Boston, Saint-Maurice, Wiesbaden). She has given concerts in many European countries and the USA. In October 2022, she performed Thierry Escaich's concerto for organ and orchestra in the Gewandhaus in Leipzig. Since 2022, she has been a lecturer at the Herford Academy of Church Music.
Jakub Kościuszko graduated with distinction from the Academy of Music in Wrocław, where he worked under the supervision of prof. Piotr Zaleski, and the Royal Conservatory in The Hague in the class of Zoran Dukić. He won awards at international and national guitar competitions. He improved his skills by taking part in master classes. He gave concerts in most European countries, the USA and Japan. In his repertoire, an important place is occupied not only by pieces from the canon of guitar literature, but also by new music. He shares his knowledge with students of the Academy of Art in Szczecin and students of the Music School Complex in Szczecin. Since 2019, he has been the creator and director of the Baltic Guitar Days festival in Szczecin. He has six albums to his credit, as well as numerous recordings for radio and television.
Rita D'Arcangelo, after graduating with distinction from the Pescara Conservatory (Italy), continued her studies in Great Britain (Manchester), Italy (Milan) and Germany (Mannheim). She has won many first prizes in international competitions. In 2011, she made her debut as a soloist at Carnegie Hall in New York. She has recorded for radio and television stations in various countries. She teaches flute at the University of Cottbus (Germany) and in Taiwan (guest). She regularly gives master classes in Japan, Europe and the USA. She is a member of the jury for the Grammy Awards, awarded by the Recording Academy USA.