sentences:  Almost 100 of them are being played by orchestra members and soloists not only in the Czech Republic, but also in Germany, Switzerland, United States, Japan, Austria, and other countries.He was a member of Kruh umelcu houslaru, which is an organization unifying the best Czech violinmakers.He was also very close to the Czech Philharmonic Orchestra and he accompanied them for many years around the world as their doctor.