Improvising over strings, winds & percussion from the Portuguese quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Joao Madeira on double bass, Bruno Parrinha on flute & bass clarinet and Monsieur Trinite on percussion, in a studio session of active, often pointillistic interaction offset with periods of introspection, reflecting concepts of Baudelaire & The Surrealists.

The third Spiegel, or mirror, takes the Portuguese acoustic octet led by violist Ernesto Rodrigue through an extended improvisation and its reflection, captured live at the 2021 CSFest XV, at O'Culto da Ajuda, by performing and recording their performance in a first pass, and then playing over the first improvisation, layering and extending their work.

Performing live at SMUP, in Parede, Portugal in 2022, the bass-oriented chamber quintet of Ernesto Rodrigues on viola, Bruno Parrinha on bass clarinet, Joao Madeira on double bass, Hernani Faustino on double bass and Jose Oliveira on percussion balance jazz and contemporary compositional approaches to their sophisticated and extremely detailed improvisations.

An unusual trio configuration for violist Ernesto Rodrigues, joined by Bruno Parrinha on soprano & alto saxophones, and by electric guitarist Flak, who brings an experimental almost ea- approach to their 3-part improvisation, aptly named for it's deceptively calm setting, gradually becoming intricate and active through colored motion like a curious breeze that builds and recedes.

A four-part suite from the Creative Sources string core of violist Ernesto Rodrigues and cellist Guilherme Rodrigue, recording in Berlin in 2021 with free jazz trombonist Matthias Muller and trumpeter Brad Henkel, through each movement approaching their playing through a balance of nonidiomatic and free jazz, subtly understated and meticulously intricate.

Aptly described as chiaroscuro--a veritable play of light and shadow in quick-witted--through nearly microscopic and highly interactive acoustic improvisation from the quartet of Ernesto Rodrigues on viola, Maria da Rocha on violin, Bruno Parrinha on clarinet & bass clarinet and Jose Oliveira on percussion, performing live at Galeria Monumental, in Lisbon in 2022.

A joint release with the Berlin record label Maybee Records run by cellist Hui-Chun Lin & Shuichi Chino and Creative Sources, this 2021 concert at Berlin's Kuhlspot Social Club brings together four cellist for an incredible and somewhat vicious display of free improvising string interaction using incredible technique, texture, and intent listening; wild!

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.

A reductionist set of spartan improvisation performed live at Casa da Cultura, in Setubal, Portugal in 2021 from the trio of Ernesto Rodrigues on viola, João Silva on trumpet and Andre Hencleeday on piano, applying extended techniques on their instruments in a dark night, quiet but intently close listening conversation from three authoritative voices.

Italian and Portuguese musicians meet in the studio in Berlin for a set of studio free improvisations, from Creative Sources father/son collaborators Ernesto Rodrigues on viola and Guilherme Rodrigues on cello meeting trombonist Davide Piersanti and vocalist Ligia Liberatori for twelve exceptionally open, informed and unusual conversations.

Six "Segments" A to F of powerful restraint and extended technique, recorded at Ausland in Berlin, Germany from the free improvising quartet of Quentin Tolimieri on piano, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello and Fyodor Stepanov on double bass, the close associations between the Rodrigues' and Tolimieri & Stepanov evident through their shared aesthetic.

Four string improviser convene at Ulrichsberger Kaleidophon, in Germany in 2021, two of them from Germany--Dietrich Petzold on violin, viola, clavichord & bowed metal, Matthias Bauer on double bass--and the Portuguese father/son complement of improvisers--Ernesto Rodrigues on viola and Guilherme Rodrigues on cello--for three works of delicately sinewy intersection & counterpoint.

Subtle acoustic improvisation from a global set of improvisors--Yu Lin Humm on cello, Pedro Frazao on euphonium, Ryoko Imai on marimba, percussion, Andre Hencleeday on piano, Philippe Trovao on tenor saxophone, and Ernesto Rodrigues on viola--in an attentive and tension-filled single movement, each player adding and reacting as ideas percolate and subsume.

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.

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.

A live trio improvisation from violist Ernesto Rodrigues, tenor saxophonist Jung-Jae Kim, and bassist Alvaro Rosso, recorded at Lisbon's CreativeFest#18 at Casa do Comum, in Lisbon, unfolding as a 28-minute journey from hushed, lowercase textures to dynamic, scrabbly interplay, emphasizing timbral nuance and collective exploration in an intimate acoustic setting.

"3 Phases", or different aspects of the approach that violist Ernesto Rodrigues applies to improvisation, in three different groupings over three different days, all live at O'Culto da Ajuda, in Lisbon, Portugal in 2018, here in an acoustic sax trio with strings, with Bruno Parrinha on soprano, Nuno Torres on alto, Paulo Galao on tenor sax.

Recorded on New Years Eve in Sintra in the Penedo region of Portugal, three strings--viola from Ernesto Rodrigues, cello from Guilherme Rodrigues, and a second cello from Miguel Mira--are joined by Carlos Santos on electronics for three extended and richly detailed improvisations, active yet concentratively controlled, using impressive and extended techniques.

The affect of Carlos Santos' electronics and recordings are the foundation of this Portuguese quintet's improvisations, creating an environment over which Ernesto & Guilherme Rodrigues on viola & cello, Eduardo Chagas on trombone, and Andre Hencleeday add subtle gestures of unusual approaches to their instruments, in a mysterious album of lowercase improv.

A hushed and enigmatic quintet improvisation featuring Jean-Michel Van Schouwburg's extended vocal techniques alongside Nuno Torres (alto saxophone), Ernesto Rodrigues (viola, crackle box), João Madeira (double bass), and Carlos Santos (modular synthesizer), unfolding in reductionist, pointillistic interplay that explores subtle texture, utterance, and resonance.

A live trio improvisation from violist Ernesto Rodrigues, tenor saxophonist Jung-Jae Kim, and bassist Alvaro Rosso, recorded at Lisbon's CreativeFest#18 at Casa do Comum, in Lisbon, unfolding as a 28-minute journey from hushed, lowercase textures to dynamic, scrabbly interplay, emphasizing timbral nuance and collective exploration in an intimate acoustic setting.

In a live performance emphasizing minimalism and lowercase improvisation, Ernesto Rodrigues (viola, crackle box), Bruno Parrinha (bass clarinet), and Andrew Levine (Theremin, modular synth, crackle box, stereo field) engage in a nuanced exploration of subtle textures and sonic interactions, resulting in an immersive and introspective auditory experience.

Capturing a richly nuanced sonic journey across seven improvised movements from concerts in Berlin, Köln, and Munich, this 2-CD set from the Portuguese trio of Ernesto Rodrigues (viola), Guilherme Rodrigues (cello), and Nuno Torres (alto sax) presents a masterful exploration of intricate textures, hushed atmospherics, and lyrical interplay, woven into a vivid tapestry of contemporary European free improvisation.

A fascinating live performance from Lisbon's Reverso Festival in 2024, where luminaries Carlos Zíngaro (violin), Ernesto Rodrigues (viola, crackle box), and Carlos Bechegas (flute, piccolo) intertwine their distinct approaches into an intricate tapestry that blends classical sensibilities with free improv exploration in a compelling journey through texture and timbre.

Recorded live during the 2024 Creative Sources Cycle, violist Ernesto Rodrigues, cellist Miguel Mira, and analog synthesist Carlos Santos deliver a nuanced and exploratory collective improvisation, drawing on Rodrigues's delicate textural approach, Mira's lyrical sensitivity, and Santos's ethereal synth interactions, evoking an urgent reflection on the fleeting nature of time.

A fluid and energetic improvisation recorded live at COSMOS in Lisbon, as Ernesto Rodrigues (viola, crackle box), Helena Espvall (cello), and Tracy Lisk (drums) engage in a texturally rich performance of scattered, bouncing string interplay, with percussion subtly framing the dialogue, resulting in a dynamic and layered exploration of sound.

Seven studio improvisations from frequent collaborators Ernesto Rodrigues on viola & crackle box, Nuno Torres on alto saxophone and Carlos Santos on digital electronics, quiet conversations of subtle and extended technique that adhere to the session title, emulating electronic impulses and signals through understated and impeccably controlled acoustic and electronic expression.

On the active and experimental side of Creative Sources' acoustic configurations organized by label leader and violist Ernesto Rodrigues, this energetic chamber quartet with Carlos Bechegas on piccolo, flute & alto flute, Joao Madeira on double bass and Monsieur Trinite on percussion, explore the three-part title work through rapid action and highly textured reflection.

Improvising collaborators, percussionist Stephen Flinn and cellist Guilherme Rodrigues join with Irish improviser and composer Roy Carroll, a member of Splitter Orchestra and who works with the amplification and signal processing of diverse objects, here the trio performing an extended improvisation of exotic and transformative sonic interaction through unusual, encompassing soundscapes of exotic and transformative sonic interaction.

Bridging jazz and contemporary forms, this 2024 live recording of four improvisations at Berlin's Kuhlspot Social Club channels collective power with chamber jazz influences, showcasing the refined techniques and deep experience of Ernesto Rodrigues on viola, Frank Gratkowski on clarinets and alto saxophone, Guilherme Rodrigues on cello, and Michael Griener on percussion.

In their second release, the Hunter Underwater quartet of four cellists — Guilherme Rodrigues (Portugal), Gábor Hartyáni (Budapest), Guido Kohn (Buenos Aires), and Hui-Chun Lin (Taiwan) — record at Berlin's Zentrifuge, creating sound sculptures and landscapes with layered harmonics and dynamic interplay through composition and improvisation.

Primarily an acoustic ensemble of nine improvisers led by Ernesto Rodrigues on viola — including saxophonist Joana Sá, percussionist Monsieur Trindade, guitarist Flak, and pianist Luisa Gonçalves — performs a live, extended improvisation of tightly controlled, deeply detailed conversation as part of the 2024 Creative Sources Cycle in Lisbon.

Recorded live during the Creative Sources Cycle at Lisbon's Cossoul on May 2, 2024, this collaboration brings together Ernesto Rodrigues (viola, crackle box), Nuno Torres (alto saxophone), Andre Hencleeday (piano), and Carlos Santos (modular synth) in a delicate journey of reductionist improvisation, blending acoustic and electronic textures to craft an intricate, lower-case performance of subtle sonic dialogues and dynamic restraint.

Three surreal improvisations with an hallucinatory edge, drawn into a dreamlike nature by the free vocals of Girilal Baars (Girilal Baars Trio, Äijä), from a 2024 concert at COSMOS in Lisbon, PT with Ernesto Rodrigues on viola & crackle box, Carlos Santos on electronics and Monsieur Trinite on percussion; unconventional electroacoustic incantatory interactions.

An extraordinary meeting in Berlin, where Portuguese cellist Guilherme Rodrigues resides, with Creative Sources label leader and long-time collaborator as a father/son duo, violist Ernesto Rodrigues, joining as a trio with US percussionist Ben Bennett, known for his work with Michael Foster and Jack Wright, for an incredibly well-balanced album of unorthodox technique and creative expresion.

The title an apt description of this dreamlike improvisation guided by the piano of Luisa Gonçalves, in a quintet with Flak on acoustic guitar & ebow, Bruno Parrinha on bass clarinet, Miguel Mira on cello and Ernesto Rodrigues on viola & crackle box, the latter adding crepuscular bird calls and whispers to this nuanced nocturnal meditation of dark ambiance and furtive encounters.