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"Aspects of Memory is the first meeting between Lawrence Casserley (signal-processing instrument) and Emil Karlsen (percussion).

Casserley has devoted his professional career to the creation and performance of real-time electr...

Finding common ground through independent work in Asheville, NC, drummer Jeff Arnal and modular synth experimenter Curt Cloninger started exchanging musical ideas, developing their concept to add powerful rhythmic elements into patterned energetic synthetics, building a language to improvise together and rework their material into these rich and exciting compositions.

A captivating set of freely improvised duos bridging experimentation and jazz forms from pianist and electronics artist Chris Brown and cellist-percussionist Ben Davis, recorded at Wide Hive Studios in California, where the duo explore dynamic textures and shifting rhythmic pulses in an organic and deeply communicative exchange that embraces spontaneity and collaborative openness.

Eight free improvisations from the German duo of Markus Reineke on contrabass, bass recorder, objects & electronics, and Jukka-Pekka Kervinen on electric guitar, violin, virtual bass clarinet & electronics, creating an unusual language that merges electronics with acoustic instrumentation in quirky yet natural ways, each track named impressionistically.

Continuing their exploration of isotopes, here focusing on the unstable element Uranium, the Portuguese Isotope Ensemble led by violist Ernesto Rodrigues presents two stunningly detailed concert performances from the 2021 CSFest XV at O'Culto da Ajuda in Lisbon, with some of Europe's leading improvisers taking on U92 in both "Electroacoustic" and "Acoustic" properties.

The sixth release by Creative Sources' detailed electroacoustic improvising group Suspensão led by violist Ernesto Rodrigues, with Guilherme Rodrigues on cello, Nuno Torres on alto sax, Antonio Chaparreiro on electric guitar, Carlos Santos on computer and Jose Oliveira on percussion & inside piano, is this impressive performance at "Temporada Miso Music 2009" in Lisbon.

A uniquely configured electroacoustic trio recording live in the studio in Lisbon in 2018 between Mexican flutist and founding member of the improv collective Generación Espontánea, Wilfrido Terrazas, and Portuguese improvisers Mariana Carvalho on prepared piano and Abdul Moimeme using two electric guitars and objects, balancing introspective moments with periods of uninhibited excitement.

"I recorded Open Space with in a single continuous take: my cello, an amp, and a distortion pedal. I was watching a film that was a static shot across a very large canyon, the light slowly shifting. I hope it offers the listener roo...

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Continuing Rodrigues' post-Cage series of single-track acoustic improvisations, this 2025 quintet with Miguel Mira, Flak, Tiago Varela, and Manuel Guimaraes blends viola, cello, electric guitar, fan organ, melodica, and piano in an evolving tapestry of mysterious breath, subtle continuity, and fragile sonic space recorded live in Lisbon with profound delicacy and restraint.

Recorded live in 2019 at Burgbachkeller in Zug, Switzerland, the international trio Jorge's Orbe creates tapestries of sound, bringing together free improvisers from three different parts of the world: Switzerland through trombonist George Francis Marti, Japan through pianist Tsukiko Amakawa, and Spain through Pelayo Fernandez Arrizabalaga on turntables and voice.

A collaboration between two towering improvisers — soprano saxophonist Evan Parker and synth/voice experimentalist Jean-Marc Foussat — presenting two incisive live duo performances from the 2023 Improtech Festival, paired with archival solo works from the early 1980s, in a release that bridges free improvisationÕs enduring quest for expressive freedom across decades.

Recording to 4 track cassette, this unusual and experimental Boston-area trio of active sound artists--Stella Silbert, Arkm Foam and Neil 'Cloaca' Young--improvise over abstract territory using turntables, a no-input mixer, objects, an open reel tape machine, contact mics, and cassette players, emerging with equally tongue-in-cheek and serious aural interactions.

On the last day of the 2021 Spontaneous Music Festival at the Dragon Club in Poznań, Poland, the trio of Berlin trombonist Matthias Muller was joined by younger generation Polish guitarist Pawel Doskocz on prepared electric guitar and fellow Berlin drummer and electroacoustic improviser Emilio Gordoa for these two extended sonic adventures recorded in near-darkness.

Bassist & composer Nick Dunston's Berlin band Skultura creates a uniquely experimental and fascinatingly sculpted approach to free jazz through layers of sound and serious playing punctuated by voice and concrete elements, each piece keeping the listener in anticipation of what might happen next, eased into serious jazz grooves, then whisked away in new directions; not to be missed!

The intersection of Austrian violinist, vocalist and sound artist Mia Zabelka and Canadian sound artist and multi-instrumentalist Glen Hall, using recordings of live improvisations, electronics and unusual applications of software to structure fourteen compositions of accomplished playing and startlingly unpredictable sound, a magnificent and often breathtaking journey.

Part of a series of 100 portraits in sound iniated by Anne James Chaton, a journey into the texts and columns of newspapaper and radio broadcasts of a single journalist.

A live concert at Dom Cultural Center in Moscow, Russia in 2015 from Norwegian tuba player Martin Taxt, Saint Petersburg violinist and object player Andrey Popovskiy, and ppool performer Kurt Liedwart focusing on sinewaves and noise, in an extended lowercase improvisation exploring harmonic and microtonal sounds.

Cilantro is the duo of multi-instrumentalists Angelica Castello on paetzold, ukulele, organ, tapes, & electronics, and Billy Roisz on electric bass, organ, tv, piezzo, computer & electronics, scrutinizing the activity in bordering areas between noise and silence, tenderness and rudeness, beat and drone, inner consciousness and outer awareness, control and freedom.

A rare meeting between Japanese minimalist Sachiko M and AMM's Eddie Prévost and John Tilbury, recorded in 2004 at London's Museum of Garden History, where sine wave precision meets tactile percussion and spacious piano in an intricate electroacoustic improvisation that explores silence, texture, and the fragile tension of deep collective listening.

Following their recordings of improvisations for the abstract film "Triangulated Waves", the long-running collaboration of guitarist Marcia Bassette (Yew Recordings, Heavy Conversation, Heavy Blossom) and violinist Samara Lubelski (Fiery Furnaces, White Magic, Thurston Moore, God Is My Co-Pilot) join for two extended sonic adventures of intertwining, effected strings.

An electrifying session of genre-defying free improvisation from the international quartet of Gabriele Mitelli (trumpet & electronics), Mette Rasmussen (sax), Mariam Rezaei (turntables), and Lukas Koenig (drums & bass synth), delivering an explosive, high-energy album that blurs the lines between noise, jazz, and avant-electronic intensity with visceral spontaneity and tightly channeled chaos.

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Blending the improvisational richness of the Evil Clown aesthetic with the playful chaos of wacky banter, Neurodivergent — featuring Count Robot, DNA Girl, Tim Mungenast, and Evil Clown regulars — delivers a dynamic, genre-defying performance uniting spoken-word absurdity, a diverse array of instruments, and spontaneous musical transformations in an embraceably unpredictable listening experience.

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A subtle album of soundscape from the French trio of Violaine Gestalder on saxophones, Louis Michel Marion on double bass, and Stefania Becheanu on field recordings, depicting 3 virtual aural views of a single landscape, the field recordings conveying a sense of location as the bass and sax use extended techniques and subliminal playing to create their vista.

Recording at the Pied Nu Festival, in Le Havre, France in 2018, the trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Carlos Santos on electronics present an extended and mysteriously subtle album of electroacoustic improvisation, detailed and remarkably controlled conversation of near telepathic anticipation from three intimate collaborators.

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The duo of Katie Porter on bass clarinet and Bob Bellerue on electronics, zither, and feedback create rich, multidimensional drones through live performance, blending harmonic wind tones with resonant feedback and overtone manipulation in two expansive recordings from Berlin and NYC that explore the porous boundary between intention and indeterminacy.

Guitarist Håvard Skaset (Sult, MoE) delivers a grim and compelling solo work of guitar, synth, and tape compositions with a 24-page book of abstract b&w art, exploring themes of disappearance and destruction, building intense drone-based soundscapes punctuated by moments of stark introspection, in a minimalist and historically charged reflection on human malice and memory.

An intimate, restrained electroacoustic collaboration between Eventless Plot and Haarvöl, unfolding in two extended, meditative movements that explore a nuanced dialogue between piano, field recordings, tapes, and electronic expression, gradually revealing layered sonic detail and immersive depth through spacious, dramatic momentum.

A textural and quietly immersive collaboration between Italian percussionist Francesco Covarino and Greek trio Eventless Plot, combining modular synth, field recordings, percussion, and tapes in an intricate 2024 live studio session that continues the exploratory cassette ethos of Covarino's TSSS label through Innovo Editions' equally intimate and tactile aesthetic.

A rich electroacoustic dialogue recorded in Greece, Entanglements teams the hybrid percussion/modular-objects trio Eventless Plot with Berlin sound sculptor Yorgos Dimitriadis, layering responsive drum gestures, electronics, tape, samplers, and modular synth in a live performance that blurs composition and improvisation into immersive, intricate sonic interplay.

A fiercely expressive debut from Portuguese duo Ricardo Guerra Pires and Bruno Parrinha, blending electric guitar, alto saxophone, subtle electronics, and noise-infused improvisation into a raw yet controlled exploration of sonic extremes, channeling the spirit of free jazz, punk energy, and avant-garde texture into six powerful and provocative pieces.

A rare 1993 live duo between Japanese avant-garde pioneers Motoharu Yoshizawa on electric bass and Kim Dae Hwan on percussion, this profound and genre-defying recording explores sound itself, blending space, silence, and spontaneous interaction into a philosophical, boundary-pushing acoustic journey that evokes elemental, organic sonic landscapes.

Recorded solo in Hangzhou, China, saxophonist and suona player Lao Dan merges Chinese folk motifs with the raw energy of punk, the spontaneity of free jazz, and the abrasiveness of noise and rock forms, creating a fiercely expressive and unpredictable improvisational landscape driven by aesthetic tension and fearless experimentation.

Recorded in Switzerland in 2021, Argentinian cellist and interdisciplinary artist Paula Sanchez pushes the cello to its sonic limits through six radical performances that merge acoustic and processed sound, combining cello, cellophane, and ring modulation to evoke a visceral, poetic, and at times merciless exploration of embodied sound and ephemeral transformation.

Expanding the Re-Ghoster trio of Nicolas Field on drums, Thomas Florin on piano, and Valerio Tricoli on revox and electronics with the addition of Nate Wooley on acoustic and amplified trumpet and Fritz Welch's visceral vocal work, the group explores surreal electroacoustic improvisation through dense, transdimensional soundscapes, fractured time, deranged textures, and ritualistic intensity; incredible!

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An intimate, texturally rich trio session recorded in Berlin between Ernesto Rodrigues on viola & crackle box, Guilherme Rodrigues on cello, and Maximilian Glass on percussion, navigating misty lowercase atmospheres, glitch-box coloration, and finely balanced interactions that unveil subtle surprise and collective improvisation within a tight, exploratory sound world.

Continuing Rodrigues' post-Cage series of single-track acoustic improvisations, this 2025 quintet with Miguel Mira, Flak, Tiago Varela, and Manuel Guimaraes blends viola, cello, electric guitar, fan organ, melodica, and piano in an evolving tapestry of mysterious breath, subtle continuity, and fragile sonic space recorded live in Lisbon with profound delicacy and restraint.

Recorded live in Lisbon in 2025, this quietly immersive quartet session from Ernesto Rodrigues, Ana Albino, Hernani Faustino, and Carlos Santos unfolds as a single extended movement of enigmatic timbral interplay, blending modular synth, electric guitar, viola and bass in a sparse, introspective soundscape shaped by mystery, fluidity, and subtle dynamic shifts.

In a surreal electroacoustic encounter recorded live in Hannover, the quartet of AGogol, NaabtalDeath (Jerome Noetinger), Ernesto Rodrigues, and Guilherme Rodrigues deconstructs chamber music into a visceral, alchemical performance of modified strings, electronics, and crackling noise, blending absurd vocalizations, brutal textures, and delicate atmospheres into a raw, dreamlike sound theater.

The first solo album from West Coast violist Amy Cimini, blending amplified distortion, percussive textures, and spacious effects into a deeply personal and genre-blurring performance that channels experimental noise, tuneful abstraction, and the spirit of feminist rock and protest music into a resonant and evocative sonic journey.

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A fascinating exploration of human-machine collaboration from UK trio Sveio — James Mainwaring on saxophone, Federico Reuben on laptop improvisation and live coding, and Emil Karlsen on drums — using AI in real-time to generate uncanny textures and forms, resulting in a spontaneously composed and constantly evolving electroacoustic sound world.

Adapting to last-minute lineup changes, this Metal Chaos Ensemble session trades its typical sextet rock-influenced edge for a more textural, electroacoustic chamber approach, as PEK, Michael Caglianone, Bob Moores, Gabe Boyarin, and Mike Gruen conjure a richly layered sonic tapestry of winds, guitars, electronics, metal percussion, and narration within their aesthetic of spacey, chaotic improvisation.

A seven-piece ensemble rich with seasoned Evil Clown regulars, this expansive session brings clarinetist David Peck and cellist Glynis Lomon together with horns, percussion, bass, and Jiaxin Wan's evocative guzheng, weaving long-form improvisation through shifting timbral landscapes, dynamic interplay, and a wildly imaginative palette of traditional, experimental, and eccentric instruments.

A richly orchestrated sextet from the core Leap of Faith ensemble, this session features PEK and Glynis Lomon joined by seasoned Evil Clown collaborators — including four horns, electronics, and an extensive array of percussion — for an immersive, evolving work of free improvisation, blending intricate textures and vibrant sonorities in a seamless, dynamic concert-length performance.

Spanning 14 compact improvisations drawn from nine shifting ensembles within the modular Evil Clown collective, this volume distills the creativity of PEK's longform sessions into concise sonic snapshots — each "Shortie" capturing a distinct moment from the various ensembles as a focused sampler of the label's wide-ranging free improvisation ethos.

A spontaneous quartet improvisation navigating unexpected lineup shifts, this Expanse session brings together David Peck, Jonathan LaMaster, Michael Knoblach, and newcomer Cyrus Shauoul in a richly layered journey of electronic textures, percussive chaos, and unconventional instrumentation, blending horns, strings, and noise into an unpredictable and engaging sonic experience.

An octet of seasoned Evil Clown improvisers — led by multi-instrumentalist PEK — delivers a sprawling, electrified 70-minute session of free jazz intensity and ceaseless sonic transformation, with constant instrumental shifts and a broad palette of horns, percussion, electronics, and found objects creating a dynamic series of vividly contrasting textural episodes.

Blending absurdist humor with an expansive sonic palette, this large-scale improvisation from the Neurodivergent Orchestra — a wacky banter-driven Evil Clown offshoot featuring David Peck, Count Robot, DNA Girl, Tim Mungenast, and a roster of veteran collaborators — combines spontaneous spoken word, electronics, and exotic instruments for a wildly surreal and playfully chaotic journey.

The Perturbations ensemble — featuring PEK, Michael Caglianone, John Fugarino, and Joel Simches — delivers a dense, sometimes unhinged and exploratory session of free improv, where layered reeds, brass, electroacoustic textures, and a vast arsenal of unconventional instruments evolve through continuous transformation, shaped in real time by Simches' dynamic electronic processing.

In a vibrant fusion of spontaneous themes and collective improvisation, Jean-Jacques Birgé leads a 17-member ensemble through dynamic performances recorded at Studio GRRR and live during APÉRO LABO sessions, blending diverse instrumentation and real-time composition to create an album of unpredictable auditory journeys.

Originally compiled for Steven Stapleton's United Dairies label and now remastered, this snapshot of late 20th-century experimental/industrial music brings together the surreal collage of Nurse With Wound's Stapleton, the brooding piano of Robert Haigh (Sema), the chamber-styled acoustics of Hélène Sage, and the sonic provocations of Un Drame Musical Instantané.

A song-oriented, genre-blurring album from the French quartet Poudingue (Pudding), drawing from the spirit of Rock in Opposition with richly layered arrangements, experimental textures, and playful lyricism, as multi-instrumentalist Nicolas Chedmail, guitarist Frédéric Mainçon, synthesist Jean-Jacques Birgé, and drummer Benjamin Sanz fuse improvisation and composition into an irreverent and inventive set.

An intricate electro-acoustic exploration from David Peck's Simulacrum sextet — featuring expansive horn and reed textures, a robust three-member electronics section, and eclectic percussion — in a sonically adventurous live session at Evil Clown Headquarters, resulting in vibrant improvisations blending organic timbres with dynamic electronic atmospheres.

Boston-based improvisational ensemble Leap of Faith, led by multi-instrumentalist David Peck (PEK) and cellist Glynis Lomon, presents a drummerless seven-piece configuration recorded live at Evil Clown Headquarters, navigating expansive free improvisation with horns, strings, electronics, and unconventional percussion in an explorative chamber-like performance of subtle dynamics and spontaneous interplay

A powerful meeting of guitar luminaries Joe Morris and Elliott Sharp, recorded at Park West Studios in Brooklyn, where the duo delve into an intricate and exploratory dialogue of free improvisation and expanded sonic vocabulary, blending effects, electronics, and their singular guitar languages in a session that bridges avant-garde jazz, experimentalism, and raw creative spontaneity.

The 3rd in Jean-Jacques Birgé's collaborative Pique-nique au Labo series, recorded between 2021 and 2023, bringing together Birgé with 20 musicians — including Sophie Agnel, Hélène Breschand, Élise Caron, and François Corneloup — in spontaneous duets and trios, each piece sparked by a randomly chosen theme, creating a rich and exploratory mosaic of improvisation and sonic experimentation.

A relentless and electrifying improv performance from the sextet Metal Chaos Ensemble blending the raw energy of electric bass and drums with an expansive arsenal of metallic percussion, electronics, and winds as the group takes listeners on a dynamic and unpredictable sonic journey, pushing the boundaries of structured free improvisation with "chaotic" precision.

A sprawling improvisational storm from Evil Clown's Turbulence ensemble blending an expansive arsenal of woodwinds, brass, percussion, electronics, and custom instruments in a dynamic, shape-shifting performance where dense waves of sonority, shifting textures, and extended techniques collide, creating a jazz-inflected yet genre-defying exploration of sound from the Boston's ever-evolving collective.

Drone-based electroacoustic improvisations led by Jonathan Segel on Halldorophone, guitar, and Buchla synth, joined by an expanded Chaos Butterfly ensemble in longform, time-dilating works where evolving feedback, percussion, winds, and electronics blur structure and narrative into immersive, densely active yet often beautifully delicate sonic landscapes.

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Two live performances from Norwegian sound artist Sindre Bjerga, capturing his signature blend of cassette-manipulated drones, lo-fi electronics, abstract vocal elements, and field-recorded textures in evolving soundscapes that evoke intimate, surreal, and psychedelically fractured environments.

The duo of Chantal Michelle and Grace Villamil transform the monumental land sculpture of Opus 40 into a resonant instrument, layering voice and electronics with field recordings and audience interactions to create an immersive, spatially dynamic performance of ambient tension and sonic obliteration, masterfully teetering between composed sound, environmental resonance, and blooming noise.