www.ninatichman.com
Homepage of Nina Tichman
www.idabieler.com
Homepage of Ida Bieler
www.mhs-koeln.de/
Highschool od Music, Cologne
www.rsh-duesseldorf.de
Robert-Schumann- Highschool of Music Düsseldorf
www.heinequartett.de
The Quartet with Ida Bieler, Matthias Buchholz, Christoph Richter and Ulrich Gröner
www.la-cellissima.com
Homepage of Maria Kliegel
www.burg-namedy.de
Place of the " Andernacher Musiktage"
www.leonardofinotti.it
Il Segretariato Artistico dell’Associazione Polesine Musica
www.sanzkonzert.es
Sanzkonzert