I transcribed the whole series of Bach two voice inventions for three instruments: flute, violin and viola. They never play together, but I tried to make use of all possible instrument combinations by assigning the upper voice and lower voice not only to the three instruments, but also to different flutes (alto, bass, piccolo and c flute) and string with different sordinos (normal and metallic one). Thus viola can only play the upper voice, not only the lower, the same for the flute which can be the second voice of the viola playing the first voice, or even violin playing the lower voice and viola the upper one. The original text is untouched, except some small passages in which I employed a few extended techniques (legno battuto, harmonics for strings; pizzicato sound, tongue-ram and harmonics for the flutes).