Rafal Iwanski (aka X-naVI:et) is a percussionist, wind-instrument player and electronic sound artist. Performing as X-naVI:et, he presents electroacoustic-space-drone-music, a unique combination of analog electronic sound generators and filter machines with acoustic instruments and field/found recordings. R. Iwanski is the enduring member and co-founder of the group HATI, whose improvised music employs the sounds of traditional ethnic instruments and found or re-cycled objects to create ritual and meditative atmospheres. He has collaborated live with Jeff Gburek (+ studio), Joke Lanz/SUDDEN INFANT and IDIOSYNCRASIA (Phill Maggi, Yannick Franck). With HATI he has performed live and recorded with (among others): Z'EV (+ full length album), John Zorn, PURE (+ studio), Robert Curgenven, WEREJU, Raymond Salvatore Harmon (video). R. Iwanski has performed many times with HATI and as soloist throughout Europe. HATI's albums were published in Ars Benevola Mater (HATI vs. Z'EV #1, 2006), Drone Records (Recycled Magick Drones, 2007, 7"), Beast Of Prey (Die Mechanik, Die!, 2008), Eter (Works for Scrap Metal, 2007 & KA, 2009). Members of HATI are organizers of CoCArt Music Festival in the Centre of Contemporary Art in Torun, Poland. The main idea of this international festival is presentation of new trends in contemporary music and visual art.