E cosi via

E Cosi Via was commissioned in 1985 by Radio France. The tape was realized at the GRM with the real time digital sound processor SYTER developed by the GRM. A graphic controlled software was used for transforming pre-recorded piano sounds - within this software (called SYG) different kinds of virtual transforming modules can be used. The principal transformation modules used in E Cosi Via are: Harmonizers - Delays - Feedback loops - Controlled sound distorsion - Resonant filters - Reverberations. E Cosi Via is constructed around the idea of the ambiguity between the real instrument and its non-real counterpart. The work has three sections, each exploring a different type of relation between the tape and the piano.In the first section the tape underlines the musical ideas developed by the piano. Piano sounds on the tape are quite deformed, but their piano prigins are still quite recognizable.The piano prolongs the tape in the second section, the piano sounds are slightly transformed and there is a certain confusion as to which are the real piano sounds.The last section proposes an opposition between the piano and the tape, here are transformations completely alter the piano sounds, its origins are no longer recognizable. the piano and the tape are antagonists, only at the end will they blend again as in the beginning of the work.Daniel Teruggi. piano and tape.