Portamento

1. Achim Kaufmann, Frank Gratkowski & Wilbert de Joode – A Destination Farther.
(Palaë, Leo Records 2007)
2. Taku Sugimoto – Monad. (Opposite, Hatnoir Records 1998)
3. Burkhard Beins, Michael Thieke, Luca Venitucci – Roman Tics.
(Roman Tics, Cathnor Recordings 2012)
4. Derek Bailey – Live In Nagoya, part 2. (New Sights, Old Sounds, Incus 1979)
5. Polwechsel – Mirror. (Archives of the North, hatOLOGY 2006)