When advanced improvisers like Ivo Perelman, Ken Vandermark and Joe McPhee get together as they did on ‘Oxygen,’ advanced instantly produced art is the outcome.

Taking the trombone and electric guitar to places rarely visited, Matthias Muller and Andreas Willers generate a pure form of “echtzeitmusik” – or “real-time music.”

This encounter between Ivo Perelman and Tyshwan Sorey brought out the best of each musician in bringing forth a perfect union of harmony and rhythm, sprung directly from thought to execution.

‘What Happened There?’ has much unpredictable, provocative and instinctual playing from the first encounter between Keiji Haino and Natsuki Tamura, two of Japan’s foremost musical firebrands.

The concept of making creative music solely with four reeded horns isn’t a new one but under Ivo Perelman’s direction, the concept has been thoroughly refreshed.

Here is the video premiere of “Himalayan Dial-Up” by the guitar/drums duo of Angell & Crane.

On ‘Breaking the Shell,’ Bill Frisell, Andrew Cyrille & Kit Downes get to expand their home base of creatively improvised music using the stately yet otherworldly sounds of the pipe organ.

‘Live in Someplace Nice’ is a welcome addition to the thin catalog of the short-lived endlessly inventive duo of Tim Berne and Bill Frisell.

Spin-offs usually aren’t as successful as the original thing. That axiom never applies to Ivo Perelman projects, though, and for ‘Duologues 1-Turning Point,’ a peak performing Perelman gets Tom Rainey’s best.

Jeff Oster, Vin Downes and Tom Eaton prove with ‘Seven Conversations’ that ambient or New Age music doesn’t have to be planned to be good.