Three accordion players, Alfredo Costa Monteiro, Jonas Kocher, and Luca Venitucci, form 300 Basses, an unconventional trio that explores new ways to play this traditional instrument.

4 Corners with Ken Vandermark, Magnus Broo, Adam Land and Paal Nilssen-Love in a live DVD from a March 2007 gig in Portugal playing 5 extended tracks. (PAL format)

An unconventional blend of instruments creates different, but captivating, sounds and structures by 4tet, a quartet of Chinese musician Jing (pipa, guqin) and Swiss jazz and free improvisers Wintsch, Oester, and Pfammatter.

Ecstatic and unusual free jazz recordings for Radio-Studio DRS Zurich from the 6ix-tet of Jacques Demierre on piano, Urs Leimgruber on saxophone, Okkyung Lee on cello, Thomas Lehn on synth, Dorothea Schurch voice and singing saw, and Roger Turner on percussion.

AIMTorotono Orchestra under the direction of Kyle Brenders was formed in 2007 to perform the music of Anthony Braxton, here in their first studio album of original compositions for their own sophisticated repertoire.

AMM (Eddie Prevost on percussion and John Tilbury on piano(+)) performing a 1 hour, 1 minute and 1 second live concert at the 2012 Festival of Traditional and Avant-Garde Music in Lublin, Poland in a beautiful melding of unconventional approaches to improvisation.

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.

Recorded at the festival Neposlusno (Sound Disobedience) in Ljubljana, Slovenia in 2012, the AMM duo of Eddie Prevost on percussion and John Tilbury on piano perform an extend improvisation of tension and dynamic, delicately balancing sound in a rich dialog.

Perhaps the most iconic and "classic" of AMM albums, recorded at The Crypt in London in 1968 with AMM as the quartet of Cornelius Cardew on piano & cello, Lou Gare on saxophone and violin, Christopher Hobbs on percussion, Eddie Prevost on percussion, and Keith Rowe on guitar & electronics.

New 2008 recordings from AMM - Eddie Prevost & John Tilbury with John Butcher - performing at Trinity College of Music in Greenwich, England.

Two live recordings by master improvisers John Tilbury (piano) and Eddie Prevost (percussion) playing two emotional sets that are quiet at just the right times and allow for a balanced amount of white space, creating beautiful music.

2010 recordings of AMM (pianist John Tilbury and percussionist Eddie Prevost) performing at the Dom Kultury Centre in Poland, three "paragraphs" of introspective and exceptional improvisation.

Since 1988 ARC have developed through improvisation a collective language that draws on the European textures of the violin family with a little bit of voice added.

From NY and Boston the Aych group (pronounce as "H", a letter shared by all 3's names) presents three improvisers representing some of the best of the new breed of modern jazz based players in a trio without bass and drums.

Longtime collaborators Abbott and Dadge release their first album together, a dizzying array of ideas and sounds recorded live at the monthly Calgary based Bug Incision concert series.

"Four hands on one piano" from the duo of pianist Chris Abrahams (The Necks) and Magda Mayas, both improvising in Berlin at the Vivaldi Saal performance space using their piano, harpsichord, and harmonium.

The Chicago quartet of Joshua Abrams (double bass), David Boykin (tenor saxophone), Jason Adasiewicz (vibraphone), and Frank Rosaly (drums) performing an excellent set of modern jazz influenced by dream states.

A double CD of pianist Muhal Richard Abrams, the first in duo with saxophonist Fred Anderson, and the second with trombonist George Lewis, also on laptop, celebrating Abram's 80th birthday!

Acid Mother Temple SWR merge's AMT's Kawabata Kakoto (guitar, voice,) and Tsuyama Atsushi (bass, vocals, sax) with Yoshida Tatsuya (Ruins, Koenji Hyakkei, &c), here in their 6th release, crazy prog-oriented rock of indescribable insanity and skill!

Multi-reed and wind player Steve Adams, a member of Rova Saxophone Quartet, in 2000 recordings from San Francisco with his trio of Ken Filiano and Scott Amendola.

Twelve short improvised pieces by Mike Adcock on a variety of different instruments that were recorded over a three year period.

New York tenor saxophonist and composer Michael Adkins with his quartet including Paul Motian on drums in a set of 9 original compositions.

Luis Lopes put together this international group including Sei Miguel, Joe Giardullo & Benjamin Duboc for gigs in Portugal, which worked so well that they went to the studio for this impressive release.

Pianist Agnel, saxophonist Gauguet, and electronic/piano frame artist Neumann in 4 beautifully crafted pieces recorded using a spatialised sound system developed by Benjamin Maumus.

A live recording at the famous Meteo Festival from the trio of Sophie Agnel (piano), John Edwards (double bass) and Steve Noble (drums), three of Europe's most active improvisers in an intense extended performance.

Six mysterious soundscapes from Sophie Agnel's bowed, plucked, strummed and struck prepared piano timbres in duo with Minton's grunts, gurgles and growls.

Sophie Agnel uses a startling array of objects and techniques in playing inside the prepared piano, demonstrated in these digital concerts recordings from 2008.

A travelogue from the saxophone trio of Pete Whyman, Frank Van Der Kooij and Chris Caldwell, documenting their tour through Beijing to Pyongyang in North Korea through field recordings and musical sketches.

Bassist Jason Ajemian composed these 8 works performed with the Chicago/NY band of Tony Malaby on tenor sax, Rob Mazurek on cornet & electronics, and Chad Taylor on drums, a dynamic set of music that varies through a spectrum of styles while staying true to its jazz roots.

A burning release mixing free improv and ea forms from the trio of Jean-Marc Foussat (analog Synth), Noel Akchote (guitar) and Roger Turner (drums), recorded in Poitiers at Le Confort Moderne during a recent European tour.

Confront/Sound 323's Mark Wastell meets three of Japan's most interesting minimal improvisers at Offsite in Tokyo, 2003 to perform this extraordinary two part work.

Two acoustic guitars collaborate in a beautiful and spare dialog, using extended techniques including bowing and percussive approaches that never detract from the sublime elements of their playing.

Eight duo improvisations on acoustic guitar and piano, with pianist Kawai preparing the piano with bolts, threads, &c. and Akiyama switching between prepared and slide guitar.

Trombonist Jeff Albert's Instigation Quartet, comprised of saxophonist Kidd Jordan, double bassist Joshua Abrams, and drummer Hamid Drake, play a superb studio session, starting and ending with two works by Fred Anderson.

Pedal Steel guitar innovator Susan Alcorn in a mostly solo release, beautifully performing 4 lush compositions by Astor Piazzolla, with bassist Michael Formanek joining for the Alcorn-penned "Suite for AHL".

Bridging mainstream jazz with avant approaches, trumpeter Alessi leads his "This Against That" group with saxophonist Ravi Coltrane, bassist Drew Gress, pianist Andy Milne, drummer Mark Ferber, and Tim Berne co-producing.

Ingar Zach in a trio with Spanish accordionist Esteban Algora and Italian flutist Alessandra Rombola in 6 varied pieces recorded in a stone church.

With members from Angles, Universal Indians, Frode Gjerstad Trio, Friends and Neighbors, &c. the quintet of Martin Kuchen (sax), Thomas Johansson (trumpet), Mats Aleklin (trombone), Jon Rune Strom (bass) and Tollef Ostvang (drums) play modern, energetic jazz that kicks Satan's ass; highly recommended!

The trio of Sun Ra legend, saxophonist Marshall Allen, pianist Matthew Shipp and bassist Joe Morris in 10 trio improvisations of intense density, history and perspective.

AMM percussionist Eddie Prevost playing all bowed sources in a subtle and ringing duet of bowing approaches with violinist Jennifer Allum of the London Post Quartet.

Members of Eddie Prevost's weekly improvisation workshops, violinist Jennifer Allum and cellist Ute Kanngiesser, recorded these 3 improvisations, running the gamut from spacious harmonics to vigorously weaving dialog, in 3 rooms of St Augustine's Bell Tower in London.

The Netherlands trio of Tobias Klein on reeds, Goncaio Almeia on double bass, and Martin van Duynhoven on drums, is inspired by all kinds of adventurous music of the last 50 years, on this album including compositions for Henry Threadgills, Oliver Lake, and Ornette Coleman.

Incredible understated improvisation from the trio of cellist Martine Altenburger, pianist Frederic Blondy,and saxophonist Bertrand Gauguet, exceptional journeys from three accomplished players.

This duet between cellist Altenburger and guitarist Russell was recorded at the Musique en Mouvement Festival Theatre du Jarnisy in 2008, an intense and intricate dialog of great dynamics.

Sophisticated free improv from percussionist Barry Altschul's 3Dom Factor trio of frequent collaborator Joe Fonda on bass and Mostly Other People Do the Killing's saxophonist Jon Irabagon, presenting new compositions plus an Annette Peacock piece and a little Monk.

Drummer Barry Altschul's first release as a leader in 25 years finds him in a trio with Jon Irabagon (Mostly Other People Do the Killing) and Joe Fonda (FAB Trio) for 9 Altschul compositions plus Carla Bley's "Ictus".

Saxophonist Rodrigo Amado in a quartet with 2/3's of Red Trio - bassist Hernani Faustino and drummer Gabriel Ferrandini - and guitarist Manuel Mota adding unusual angles to their exemplary blues-based free improvisation.

Lisbon saxophonist Rodrigo Amado's trio with Miquel Mira on cello and Gabriel Ferrandini on drums is joined by New York trumpeter Peter Evans for 3 dynamic and exciting studio recording of superb TransAtlantic free improvisation.

Bringing the lineage of saxophone trios into the 21st century, saxophonist Jean-Luc Guionnet, bassist Clayton Thomas and drummer Will Guthrie performed this extended recording live in Lille, France.

Using an electric 12-string shruti stick, a Harry Partch guitar & percussion Anandan & Gzowski create amazing microtonal environments with growling vocal interventions.

The acclaimed daxophonist Hans Reichel meets shruti stick and metallophone inventor Ganesh Anandan for these expressive and unconventional dialogs.

This meeting of 5 EA-Improv heavyweights from Europe and the Pacific US happened during the MKM trio tour in Northern America 2010, capturing this extended performance at CalArts for 40 minutes of engaging, burbling electronics, pulses, and short wave introspection.

A smaller than usual Freezone Appleby Festival, 2007 presents duos and trios with the excellent lineup of Paolo Angeli, Evan Parker and Ned Rothenberg.

Sardinian guitarist Paolo Angeli teams up with After Dinner/Volapuk violinist and singer Takumi Fukushima for a complex, unusual, and wonderfully embraceable work recorded live in Bologna.

Paolo Angeli presents an experimental album that explores the entire range of his modified, extended, and prepared Sardinian guitar with beautiful compositions that defy categorization.

The DVD movie and CD soundtrack of 10 years of Nanni Angeli's photo documentation of the strange story of Paolo Angelis exotic, extended giant Sardinian guitar.

Clean Feed's 2nd LP is their 4th Angles release, expanding saxophonist Martin Kuchen's band to 9 pieces with Mattias Stahl, Johan Berthling, Alexander Zethson, Mats Aleklint, Eirik Hegdal, Goran Kajfes, and Magnus Broo in an album of rare expressiveness and power.

Now a nine-piece, Martin Kuchen leads the magnificently powerful Angles band through 7 demanding compositions, with trumpeter Magnus Broo back in the band alongside Alexander Zethson, Mattias Stahl, Jonan Berthling, Andreas Werlin, Eirik Hegdal, Mats Aleklint & Goran Kajfes.

Now a nine-piece, Martin Kuchen leads the magnificently powerful Angles band through 7 demanding compositions, with trumpeter Magnus Broo back in the band alongside Alexander Zethson, Mattias Stahl, Jonan Berthling, Andreas Werlin, Eirik Hegdal, Mats Aleklint & Goran Kajfes.

Recordings from Lisbon of Danish saxophonist Lotte Anker with pianist Rodrigo Pinheiro and double bassist Hernani Faustino, both from Red Trio; dynamic improvisation with a sense of restraint and beautiful fluidity.

A quintet of two drummers and two saxophonists playing the music of leader and bassist Hugo Antunes in pieces designed to foster musicial situations and real-time composition.

ap'strophe began working together in 2006 in search of a common sonoric space, which they found in the investigation of distinctive timbres between acoustic guitar and zither.

Composer Pierre-Andre Arcand in a CD and CD video of audio art, sound poetry, music, non-music, acoustic, electronic, and digital sounds.

British tenor saxophonist Julian Arguelles in a trio with NY drummer Tom Rainey and bassist Michael Formanek, a strong group feel led by one of contemporary jazz' unique voices.

Piano prodigy Ariel, performing complex jazz compositions at the age of 9 (!) with infuences from Matthew Shipp, John Hicks, Kirk Lightsey, Uri Caine, Aaron Goldberg, &c.

Free improvisation in the SME/Derek Bailey lineage from the duo of Stockholm-based John Arrias on sax and clarinet and Gothenburg-based Christian Munthe on acoustic guitar, using extended techniques with accessible language in unhurried and intertwining improvisations.

Arrive, formed in 2001, is Aram Shelton's Chicago band with vibraphonist Jason Adasiewicz, bassist Jason Roebke and drummer Tim Daisy, a remarkable album of structured free playing.