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With members of IKB, Variable Geometry Orchestra, and LIO, the free improvising/chamber quartet of Ernesto Rodriguge (viola), Bernardo Alvares (bass), Roland Ramana (trumpet), and Nuno Torres (sax), were captured live at Estrela for an intense and introspective concert.

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The trio of violist and label leader Ernesto Rodrigues with acoustic guitarist Neil Davidson and sythn/field recording artist Wade Matthews in erosive, sinister and engrossing improv.

Three tracks of acoustic improv from an understated string quartet that uses extended techniques and the whole of their instruments to make unusual and rewarding music.

The freely improvising quartet of Ernesto Rodrigues, Axel Dorner, Nuno Torres and Alexander Frangenheim recorded this beautiful album of dark sound in Germany in 2014, 3 movements of understated dialog using unexpected techniques in a subtle dialog.

An extended studio improvisation recorded in Berlin-Weissensee, Germany in 2016 from the restrained quartet of Axel Dorner on trumpet, Nuno Torres on alto sax, Alexander Frangenheim on double bass, and Ernesto Rodrigues on viola, using advanced techniques in a monumental journey that finds the quartet in a variety of expansive and intriguing dialogs.

An extended and far-ranging acoustic free improvisation from the trio of Ernesto Rodrigues on viola, Phillip Greenlief on tenor sax, and Tom Wafford on violin, recorded live at the Gallery 1412 during the Seattle Improvised Music Festival of 2006.

Named for the city in which it was recorded, the trio of Karoline Leblanc on harpsichord, Ernesto Rodrigues on viola, and Paulo J Ferreira Lopes on gongs & cymbals, is a mysterious and ritualistic album, Lopes' gongs slowly intoning as the strings use unusual techniques, much of the harpsichord played inside; a subtle and beautiful reflection of historic Montreal.

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A live recording at O'Culto da Ajuda, Lisbon, during the 2017 CreativeFest #11 from the quartet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Gianna de Toni on double bass, and Vasco Trilla on percussion, a sinuous, curving extended improvisation of subtle shades, with certain rotations more forceful, but always gravitating to quietude.

A large group under the direction of violinist Ernesto Rodrigues (also on harp, metronome & objects) in 4 extended improvisations of great suspense and tension through sound and silence.

"A friction quartet, at times quite energized. In addition to viola, cello, and double bass, the instrumentation is notable for Kriton B.'s daxophone, a rather obscure instrument in the class of "friction idiophone," which consists of a...

Recorded at the Galeria Monumental during the Small Format Materials II Festival, Sul is a large string-oriented ensemble led by Ernesto Rodrigues that includes percussionist Andrew Drury and double bassist Hernani Faustino, alongside Creative Sources core players, orchestrated with viola, violin, cello, double bass, classical guitar, zither, percussion and objects.

Recorded in the studio in 2017, "Cyclic Symmetry" presents an electroacoustic trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and CS mainstay Carlos Santos on field recordings, in a minimal work suggested to be heard on infinite loop, contrasting deep silence with sections accenting the slow, interwining harmonics of both Rodrigues' string work.

Strings and small percussion imbue this darkly beautiful set of extended improvisations from the Portugese trio of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Monsieur Trinite on small percussion; creative richly open soundscapes with intriguing interventions.

Remarkably detailed, slowly moving improvisation from the trio of Katsura Yamauchi on alto sax, Carlos Santos on electronics, and Ernesto Rodrigues on viola, harp and objects, a beautiful balance of acoustic and electronic sound in intensely concentrated music.

An eruption of sound from the long-standing collaboration of violist Ernesto Rodrigues and Abdul Moimeme, here on prepared electric guitar, in a trio with unique percussionist Antez, whose intimate relationship with the percussive objects he uses creates a tectonic aural range of explosive flows and deeply churning cymbal vibration, caught live at Lisboa Incomum, in Lisbon.

"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 ea-improv setting with Albert Cirera on tenor saxophone, Rodrigo Pinheiro on piano, & Carlos Santos on field recordings & sine waves.

1. Plane, Line Segments, Rays And Some Dissipations 49:49

Live recordings at Exploratorium, in Berlin, Geremany in 2010 from the quartet of Klaus Kurvers on double bass, Andrea Sanz Vela and Ernesto Rodrigues on violin, and Micha Rabuske on dlute, bass clarinet, and soprano sax, collective improvisation with complex interplay and a bright spirit as the group follows their instincts in interesting dialog.

"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.

1 Macaronesia 36:52

A unique take on the piano, with both participants--Ernesto Rodrigues and Carlos Santos--approaching the physical aspects of the instrument, somewhat beyond prepared piano, as the two record not just the strings but the wood, metal and most likely wheels of the instrument, creating a cantankerous display of sound that unfolds slowly; idiosyncratic and noteworthy.

A three part improvised work for viola, trombone, electric guitar and double bass from, respectively, Ernesto Rodrigues, Eduardo Chagas, Abdul Moimeme, and Joao Madeira, an ascending conversation that uses innuendo, mystery, subtle movement, silence and swells to create atmospheric environments, each "voice" shifting enigmatically in sublimely hazy ways.

A lowercase duo of intense focus and concentrative dialog from Creative Sources label leader Eernesto Rodrigues on viola and trombonist Eduardo Chagas, a member of IKB, Variable Geometry Orchestra, Suspensao, &c., through five recordings using primarily extended techniques and close proximity miking to create unusual textural and alien soundcscapes of great tension and release.

1 Incidental Projections 25:28

"At the same time risky attempt, masterpiece and manifest, Licht is a fine example of the radical, collective, demanding and disciplined approach of the best productions of Ernesto Rodrigues. Divided into seven parts entitled I-VII, Lic...

Three strings--cello from Guilherme Rodrigues, double bass from Adam Pultz Melbye, and viola from Ernesto Rodrigues--plus harmonium and objects from Kriton Beyer, in a live performance at Kuhlspot Social Club in Berlin, each of the 9 movements a concentrative work named with a three-letter onomatopoeia, as the players draw sound from a mysterious dark distance.

Recording in the studio in Lisbon, Portugal, the free improvising lowercase/subtle momentum quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Bruno Parrinha on bass clarinet, Luis Lopes on electric guitar, and Vasco Trilla on percussion, demonstrate intense control and remarkable concentration through the five parts of "{ Lithos }".

French double bassist Fred Marty joins Creative Sources core performers, violist Ernesto Rodrigues, cellist Guilherme Rodrigues and electronic artist Carlos Santos for an extensive improvisation exploring both lyrical and pointillistic improvisation, themed loosely around a garden quartet or frame, the music detailed, active and formidably sophisticated.

A lowercase meeting of strings, objects, microphones and computer between core Creative Sources members Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, and Karne Decorne (objects) and Simon Proffitt (microphones & computer), investigating microsound in four unhurried conversations that include moments of odd interjections, tones, and timbre.

A quintet album of minimal/lowercase electroacoustic improvisation recordeded at Penedo in Portugal from Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Miguel Mira on cello, Anna Piosik on trumpet, and Carlos Santos on electronics, each performer using extended techniques, contrasting atmospheric tones with percussive, often pointillistic approaches.

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.

An immersive album of collective sound from the Portugues quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Nuno Torres on alto saxophone, Eduardo Chagas on trombone, and Carlos Santos on computer, developing rich sonic environments of great detail and intense patience, a tremendous journey that rewards the careful listener.

An exceptional lowercase acoustic improvisation album from some of the finest of Europe's outside-technique free improv players, with frequent collaborators and label-mates Ernesto Rodrigues on viola, Nuno Torres on alto sax, and Guiherme Rodrigues on cello, in quintet with Red Trio pianist Rodrigo Pinheiro and French improv drummer Naoto Yamagishi.

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.

Portuguese violist Ernesto Rodrigues joins with German electronic improviser Has W Koch for an album of interactive acoustics and electronics, where textures from Rodrigues' viola are fed into Koch's electronics to create new and unanticipated transformations, both patiently evolving the textures to reveal sublime minutiae and detail.

Finnish guitarist Lauri Hyvarinen joins Portugues Creative Sources collective members Ernesto Rodrigues on viola, Abdul Moimeme on electric guitar, and Carlos Santos on synthesizer, for a studio album whose title refers to the shell of an object, a mysterious reference peeled away by this quartet through subliminal playing of intense technique and concentration.

Norwegian percussionist Stale Liavik Solberg (Gjerstad, VCDC, &c) joins frequent collaborators Ernesto Rodrigues (viola), Nuno Torres (saxophone), and Carlos Santos (electronics) for a studio album of often pointillistic interaction, Solberg punctuating the unusual voicing and techniques of acoustic and electronic interactions as they permute the word "soon".

A live recording of a subtle improvisation led by Portuguese violist Ernesto Rodrigues in a quartet with winds and brass--Paulo Curado on flute, Bruno Parrinha on soprano saxophone & bass clarinet, and Eduardo Chagas on alto trombone--each using understated approaches to their instruments using extended and unusual techniques, aptly titled but rewarding close listening.

Nine numbered improvisations for viola, cello and analog synth from the trio of Ernesto Rodrigues, Guilherme Rodrigues and Richard Scott, recorded live at Audience, in Berlin, Scott's synth layers adding subtle nuance including vocal sampling and static and strange noise as a counterpoint to the Rodrigues' subdued but detailed techniques, textures and intense concentration.

Recording in Germany, Creative Source's two Rodrigues'--Ernesto on viola and Guilherme on cello--along with double bassist Klaus Kurvers, celebrate legendary improvising cellist Tristan Honsinger's birthday in this studio album of active playing with a chamber quartet feeling through superb technical skills yielding electrifying string improvisation.

Two sets across two nights during CreativeFest #12 at O'Culto da Ajuda, in Lisbon, Portugal, in a septet of six acoustic sources--viola, cellos, flute, trumpet, piano and percussion--and electronics, an extended journey approached with quiet tension and incredible detail, the recording of the first set used as the basis for the 2nd to create a virtual ensemble.

Recorded over a 3 year period, the trio of Portuguese string improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello met with New Haven, Connecticut double bassist & synth player Daniel Barbiero, developing this detailed, two part lowercase acoustic improvisation with a spacious, patient feeling that interacts with its ambient environment.

Titled for the Amazonas Indians, Brazilian sound sculptor Marco Scarassatti performs on his self-made instrument the Kraiser in a quartet with Creative Sources regulars Ernesto Rodrigues, Guilherme Rodrigues, and Nuno Torres for a dream-like set of improvisations named with indigenous expressions, blending neoprimitivism with creative acoustic improvisation.

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A sense of both lightness and weight drawn from Portuguese viola player's Ernesto Rodrigues' 18-piece String Theory, in a large and detailed improvisation using an incredible array of string sources, including viola, harp, violin, cello, viola da gamba, double bass, classical, acoustic and 12-string guitars, mandolin, zither, harpsichord, and piano.

Drawing its name from the seven members making up this string ensemble led by violist Ernesto Rodrigues, String Theory complements the concurrent Lisbon String Trio albums by magnifying concepts in freely improvised string interactions, using unusual harmonics, melodic and percussive approaches to instruments, and quickly moving quietly intense interaction.

This supergroup of strings--16 musicians on violins, viola, cellos, double basses, piano, psaltery, zither, and guitar--in an intensely restrained collective improvisation recorded live at O'Culto da Ajuda, Lisbon, Portugal in 2017, as String Theory's 4th album continues their title themes from the physical universe named here for the rare metalloid "Tellurium".