The 2nd of NI-VU-NI-CONNU's 5-LP John Butcher series, the duo of pianist Sophie Agnel and soprano & tenor saxophonist John Butcher is informed by previous collaborations as a duo and in a trio with cellist Márkos Albert, here in a superb 2019 concert of balanced tension and intense interaction captured at Ausland in Berlin, a meeting of two perfectly matched improvisers.