Gratkowski is interviewed at All About Jazz:

Virtuoso German reed specialist Frank Gratkowski enjoys a particularly fertile range of collaborations, settings and directional thrusts. He was back in New York in October, 2009 with a trio that has released three albums during the last six years: Kwast (Konnex, 2004), Unearth (Nuscope, 2005) and Palaë (Leo, 2006). Appearing at Roulette, Gratkowski was joined by pianist Achim Kaufmann and bassist Wilbert De Joode, both of whom hail from the Netherlands. The gig is billed as a session of “improvised chamber music.”