The large IKB electroacoustic ensemble of diverse orchestration led by violist Ernesto Rodrigues, where each release is characterized by an animal, here with the long-snouted seahorse in an extended improvisation recorded at CreativeFest XIII at O'Culto da Ajuda, Lisbon, 2019, building to undulating cycles of intense interaction of absolutely precise control.

An improvising string quartet with Creative Sources label leader Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, German violinist and violist Dietrich Petzold and German double bassist Jan Roder, recording in the studio in Berlin in 2018 for seven active improvisations with a chamber feel, each named by the letters making up the word "PICTURE".

Portugal's Lisbon String Trio of saxophonist Nuno Torres, electric guitarist Abdul Moimeme and violist Ernesto Rodrigues, are joined by Red Trio/ Rodrigo Amado Motion Trio drummer Gabriel Ferrandini for this concert performance at O'Culto da Ajuda, in Lisbon, Portugal as part of the CreativeFest XIII, finding inspired balance in introspective sections and periods of exciting activity.

Three frequent collaborators--Ernesto Rodrigues on viola, Nuno Torres on alto saxophone, and Abdul Moimeme on electric guitar--captured live in 2019 at Logradouro da Compostinha, in Lisbon, Portugal, each using their instruments with unusual approaches through extended techniques, in a half hour set balancing subtle aural ambience with rich, detailed activity; spellbinding.

A very open free improvisation of Portuguese musicians recording in Azores, PT from the quintet of Ernesto Rodrigues on viola, Luis Senra on tenor saxophone, Gianna de Toni on double bass, Luis Couto on electric guitar, and Biagio Verdolini on homemade instruments, using space amid patiently evolving conversation with an overall acoustic feeling in three movements of "Dissonanze".

Guitarist Olaf Rupp recorded this trio session with violist Ernesto Rodrigues and cellist Guilherme Rodrigues, capturing five improvisations from around 8 minutes to 18 in length, the first three demonstrating intense interaction with an overall sense of restraint, closing with two more reflective works, a beautiful balance of reductionist sensibility amid superb technique.

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.

Fragile and understated with long spacious sections, the trio of Ernesto Rodrigues on viola, harpsichord, e-bow guitar and field recordings, Guilherme Rordrigues on cello, and Denis Sorokin on ukelele and pitch pipes, distill the sense of isolation amid patient motion through the red city, sections defined by cars passing and augmented with birds; peaceful and beautiful.

A dynamic and exciting concert captured during the 2018 CreativeFest XII of a conduction by Ernesto Rodrigues leading an ensemble of 28 free improvisors performing on a mix of traditional acoustic & modern electronic instruments, plus a toy piano, with powerful wind & string sections, as Rodrigues directs the musicians into both passionate and peaceful sections.

A string quartet of doubled cello and viola, recording in the studio in Berlin in 2018, as free improving innovators, Creative Sources cellist and violist Guilherme Rodrigues and Ernesto Rodrigues, meet contemporary compositional and improvising cellist and violist Hui-Chu Lin and Marie Takahashi, their complementary approaches bringing unique voices to a captivating encounter.

A concise and essential concert from the Octopus octet, recorded in performances at O'Culto da Ajuda, in Lisbon, Portugal during the Creativefest XII, the ensemble of mostly acoustic instrumentation (cello, viola, flute, clarinet, classical guitar, piano, percussion and synthesizer) carefully evolving a shade of blue in subtle details of tense restraint.

Recorded at CreativeFest#12 in Lisbon at O'Culto de Ajuda, the 21-piece electroacoustic ensemble Isotope takes on the chemical element Radium in a gripping piece of evolving improvisation, intensely restrained and extremely detailed, orchestrated with cello, baroque violin, double bass, acoustic & electric guitars, zither, psaltery, winds, brass, keys, electronics and percussion.

The Portuguese large improvising ensemble String Theory is heard live during the CreativeFest#12, at O'Culto da Ajuda, in Lisbon, Portugal in 2018, in an extended improvisation of incredible layering and restraint, making an amalgam of mostly acoustic string sources sound electronic and hallucinatory, an incredible achievement in string sonics.

The fourth release from the Portuguese lowercase electroacoustic ensemble Suspensao, merging viola, cello, bass clarinet, alto sax, electric guitar, piano, double bass, percussion and electronics in intensely detailed, slow moving improvisation, revealing impressive tension and suspension of time in impeccably concentrative collective conversation.

A subtle album of acoustic interaction recorded at Berlin's Noiseberg from the quartet of Miriam den Boer Salmon on violin, Ernesto Rodrigues on viola & zither, Fredrik Rasten on acoustic guitar, and Guilherme Rodrigues on cello & percussion, sounding almost electronic in their frictional technique and harmonic overtones, ebbing and flowing from active interaction to tranquil discourse.

Recording at the 12th CreativeFest at O'Culto da Ajuda, in Lisbon, Portugal, the IKB ensemble is represented by 20 musicians for this performance, merging acoustic and electronic instruments including strings, brass, winds, self-made instruments, and percussion in a concert of intense constraint & patience, seething with detail and replete with consummate skill.

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.

The Lisbon String Trio of Ernesto Rodrigues on viola, Miguel Mira on cello, and Alvaro Rosso on contrabass continue their recent string of collaborations with a fourth player, Portuguese tuba player Gil Goncalves joining to addd a unique complement to their strings, as Goncalves adds bass, blats, growls and unique timbres of upper register low brass.

Recording live in Berlin at Werkhalle Wiesenburg, the quartet of Portuguese father/son string players Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Danish saxophonist Mia Dyberg on alto sax, and Polish double bassist Tomo Jacobson present a precisely controlled concert of subtly detailed free improvisation using impressive technique and momentum.

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.

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.

A quintet of strings, hurdy gurdy, and amplified objects from Elo Masing on violin, Ernesto Rodrigues on viola, Hui-Chun Lin on cello, Caroline Cecilia Tallone on hurdy gurdy, objects, and Ame Zek on 12 string guitar, objects, recording in the studio for this 5 part improvisation, the hurdy-gurdy adding sustained mystery to a balance of subdued and assertive interaction.

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.

Joing Portuguese and Spanish improvisers for four recordings in Bilbao, Spain, this sextet presents sound works using unusual orchestration--piano harp, viola, guitar, metals, electric organ, paper, contact mics, and electronics--balancing spacious exploration with assertive moments of percussive and caustic sound, evolving bold sonic and timbral combinations.

An album for bowed strings, bowed metal, and double bass, from the quartet of Dietrich Petzold on violin, viola, bowed metal, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, and Matthias Bauer on double bass, presenting a seven part suite recorded in the studio in Berlin, active and exciting music that bridges classical technique with free improvisation.

The 8-limbed creature that is Creative Source's Octopus presents their 3rd album of diaphanous improvisation, using two reeds (clarinet & tenor sax), trumpet, resonator guitar, viola, double bass, snare drums and electronics, as they slowly prowl in subaqueous and subtle improvisation of powerful technique, cautiously moving with rich details and deft direction.

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.

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.

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.

A live performance at Galeria Monumental, in Lisbon of diverse textures, extended techniques, and intent listening from the free improvising septet of Ernesto Rodrigues (viola), Joao Silva (trumpet), Paulo Curado (flute), Bruno Parrinha (alto sax & bass clarinet), Miguel Almeida (classical guitar), Carlos Santos (computer & synth), and Joao Valinho (snare drum & objects).

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.

German violinist & composer Dietrich Petzold joins violist Ernesto Rodrigues and cellist Guilherme Rodrigues, Petzold also bringing along a viola, clavichord and bowed metal objects, as the three perform live at SKUC Gallery, in Ljubljana, Slovenia for the 6 improvisations that build from languid tonal environments to detailed, rapid improv, all with remarkable control and patience.

Electric guitarist Olaf Rupp joins the father son/duo of violist Ernesto Rodrigues and cellist Guilherme cello, in studio recordings from Berlin in 2017, as three disparate strings intertwine in acoustics and electronics for an intensely evolving two part work, a textured tapestry of slow bowing, sustaining tones, unusual progressions, and odd percussive invention.

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.

"3 Phases", or 3 aspects of the approach that violist Ernesto Rodrigues applies to improvisation, in 3 different groupings over 3 different concerts at O'Culto da Ajuda, in Lisbon, here in an electroacoustic ensemble with Miguel Mira, Guilherme Rodrigues, Joao Silva, Eduardo Chagas, Paulo Curado, Noel Taylor, Miguel Almeida, Andre Holzer, Andre Hencleeday, Carlos Santos, and Joao Valinho.

"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.

"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.

Creative Sources collective Isotope Ensemble led by Ernesto Rodrigues performed with a large electroacoustic group continues their investigation of isotopes, focusing on Lanthanum, a soft metal used in flints, through subtly-developing interplay the band, moving as one body, reaching several highly controlled periods of passionate improvisation, contrasting with beautifully serene sections; impressive.

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.

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.

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.

Dedicated to the late free jazz legend Cecil Taylor, this Lisbon sextet of Paulo Alexandre Jorge on tenor saxophone, Ernesto Rodrigues on viola, Eduardo Chagas on trombone, Manuel Guimaraes on piano, Miguel Mira on cello, and Pedro Santo on drums performs four energetic and well-balanced collective improvisations, respecting and evoking the incredible legacy Taylor left behind.

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 }".

Lisbon-based viola player Ernesto Rodrigues joins three Berlin-based musicians--cellist Guilherme Rodrigues, double bassist Andrew Lafkas and electronics artist Bryan Eubanks--merging the lowercase approaches of Creative Sources groupings with experimental electronics for a 5-part album that ranges from the subliminal to assertive tones and momentum.

Adding a fourth string to the collaborations of Portugal's Lisbon String Trio of Ernesto Rodrigues on viola, Miguel Mira on cello, and Alvaro Rosso on contrabass, Portuguese violinist Carlos Zingaro adds an additional level of delicately complex interplay to the trio's exceptional free improvisation, as they pay tribute to the Greek goddess of light and extent.

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 Spanish free improvising quartet Colectivo maDam of Ruben Gutierrez on electronics, objects, Tomas Gris on acoustic guitar, Guillermo Torres on fluguelhorn, and David Area on electronics are joined by Lisbon improvisers Ernesto Rodrigues on viola and Miguel Mira on cello for this 3-part work, the first recorded live at Espacio B, Madrid, the 2nd & 3rd recorded in the studio.

A live performance at O'Culto da Ajuda in Lisbon from the Lisbon String Trio of Ernesto Rodrigues on viola, Miguel Mira on cello, and Alvaro Rosso on contrabass, joined in this concert by Creative Sources frequenct collaborator Eduardo Chagas (Variable Geometry Orchestra, IKB, Suspensao, &c), a large work of microscopically detailed and concentrative acoustic improv.

A live recording from the acoustic septet Free Music 7tet of Ernesto Rodrigues (viola), Luiz Rocha (clarinets), Guilherme Rodrigues (cello), Eduardo Chagas (trombone), and (piano), Hernani Faustino (double bass) and Paulo Ferreira Lopes (drums), performing at O'Culto da Ajuda, for five improvisations from active free improv to lowercase exploration.

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.