Two string players, Swedish acoustic guitarist and banjo player Niklas Fite, and German double bassist Alexander Frangenheim, recording in the studio in Berlin in 2017 for 10 succinct improvisations ranging from quick interactive discourse of a pointillistic nature to near silent meditations using unusual and extended techniques, a quirky and informed album.

The freely improvising quartet of Ernesto Rodrigues, Axel Dorner, Nuno Torres and Alexander Frangenheim recorded this beautiful album of dark sound in Germany in 2014, 3 movements of understated dialog using unexpected techniques in a subtle dialog.

An excellent quartet of UK and European improvisers recording at Gateway Studio, London in 1997, a set of 8 intriguing recordings emphasizing the acoustics end of free improvisation with accented electronic interventions.

11 short works and a longer "suite" from the duo of Israeli clarinetist Harold Rubin and German bassist Alexander Frangenheim, with electric bassist Mark Smulian making the group a trio on three tracks.

A free improvisation session with Gunter Christmann on cello and trombone, Alexander Fragenheim on double bass, and extended free vocalist Elke Schipper.

Double bassist Alexander Frangenheim, peer to Phil Durrant, Evan Parker, Phil Wachsman, Thomas Lehn, Roger Turner, &c., in a 17 part solo work of gripping and exhilarating playing.