As a long-year Product Specialist working for Yamaha Europe and one of the first world musicians using VL1 I had a good luck to play for two evenings with polyphonic physical modeling resynthesizer VP1 in September 1997 in Hamburg headquarters. I have recorded on DAT recorder sound samples and 56 improvisations in real time, each one with one sound program only. Later I published all this material as it is on double CD "VP1 Impressions" - a rare collection. Here is one improvisation...