Two concerts of experimental improvisation from two giants of conceptual improvisation and composition, recorded at IKLECTIK in London in 2015 and at Dartmouth College, in Hanover, New Hampshire in 2016; with superb pacing and brilliant execution, these dialogs between keyboard and percussive instruments explore unique sound worlds with depth, inquisitiveness, and a sense of wonder.

Carl Ludwig Hubsch (tuba); Ole Schmidt (bass clarinet); Chris Weinheimer (bass flute); Robert Schleisiek (piano); and Tom Lorenz (vibraphone) interpret Christian Wolff's composition based on "Union Maid", a song from the 1920's, transforming the work through temporal expansion.

Antoine Beuger, Burkhard Schlothauer, Chico Mello, Jurg Frey, Kunsu Shim, Michael Pisaro-Liu, and Thomas Stiegler participate in this realization of Christian Wolff's compositions to make sounds or draw sounds out of stones, alone or with other surfaces, acoustically or amplified.

Four composers - John Carisi, Eddie Sauter, Christian Wolff, and Stefan Wolpe - create a program of works with a measured balance in the interrelated and contrasting material.

AMM's performance at the 2009 Freedom of the City Festival with AMM regular members Eddie Prevost and John Tilbury extended with John Butcher, Chritian Wolff and Ute Kanngiesser.