Sonic Cultures is an immersive realtime audiovisual compositional environment with interactive generative score (iScore) for multiple computer and open ensemble. An open acoustic instruments ensemble including electronic devices using digital interfaces (laptops etc.) serves as mutual media for score conducting, reading and interpreting. In concert it is performed within an combination of audiovisual realtime processing and improvisation conducted by interactive graphic scores on individual screens/computer driven by virtuoso random functions and intentional choices of a digital conductor/composer, which underline the visual and graphic components that are linked to and experienced by the musical sound environments. The conducted improvisation is completed by an audio realtime signal processing by fft controlled freeze reverb, classic ring modulation as well as spectral delay by a computer performer in mutual inducement with the instrumental player.