Focused on the unusual physical properties of their instruments as tubes and air chambers capable of remarkable palette of sounds, overtones, thumps and inexplicable manifestations, Berlin-based trumpeter Brad Henkel and recorder player Miako Klein present two extended conversation of intensely compatible and wildly controlled, extended approaches to improvisation.

Two improvising duos that share one person and joined as a trio -- Berlin musician Miako Klein on recorders -- Warble being Klein and NY/Berlin trumpeter Brad Henkel, the two exploring their instruments through close amplification; Mduo is Klein & NY/Berlin percussionist Michael Weilacher using extended techniques and strange actions.