Vit Fiala X-tet element is a variable cast of jazz - from a duo to ten-file Program focuses on the best of American jazz mainstream production. To achieve this goal and helps him greatly and long-lasting cooperation with the American singer and teacher Lee Andrew Davison and charming singer Barbara Řeháčková. The jazz community in addition to the original interpretations of American jazz standards involved in the first ever live performance of jazz version of Gershwin's opera Porgy and Bess in the instrumentation of his band leader Vit Fiala and in collaboration with our leading symphony orchestras. Also on the program is a concert performance of Negro spirituals in the most authentic version Lee Davison.