A confluence of strings from the trio of Portuguese improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, performing in Berlin with double bassist Stephan Bleier, the title referring to a gradual ascending progression formed through small changes, an apt analogy for the illusory and shape-shifting approach their 5-part improvisations lead.

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.

A set of succinct string improvisations using extraordinary technique and concentration with a chamber improvisation feeling, recorded at Vivaldisaal in Berlin from the quartet of Portuguese father & son improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello, and Berlin performers Julia Brussel on violin and Klaus Kurvers on double bass.

Emulating a solar eclipse and a lunar eclipse in two evolving improvised chamber works that take the quartet of Guilherme Rodrigues on cello, Mariana Carvalho on piano, Joao Valinho on percussion and Ernesto Rodrigues (switching from viola to harp & deploying electronics) through mysterious soundwork that move from darkness to light in detailed and subtle ways.

Since 2014 the collective [SNDNG STTNS] has explored theatrical situations between musictheatre, staging and composition with live music, instruments, recordings, samples, speach and live editing, this work featuring cellist Guilherme Rodrigues bridges the art of the brazilian "violeros" with contemporary music, acoustic and electronic composition and improvisation.

Three active Portuguese improvisers in a trio of remarkably sensitive rapport from Gonçalo Mortágua on tenor saxophone, Guilherme Rodrigues on cello and Higino Andrade on double bass, their group name referencing "3 Old Women", though their playing is youthful and adept, bringing a sense of bright space in 14 concise and intensely creative conversations.

A live performances at CreativeFest 2018 in Lisbon from the electroacoustic quartet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Fred Marty on double bass, and Carlos Santos on electronics, the title translating to "On our footsteps in the light of day" as the improvisers merge strings and electronics through spirited and radiant playing.

A studio recording bring three Portuguese string players--Maria do Mar on violin, Ernesto Rodrigues on viola, and Guilherme Rodrigues on cello--together with bass & soprano clarinetist Juan Calvi, for 9 succinct intertwining of energetic interplay, often chamber-oriented but all examples of masterful free improvisation exploring a diverse set of creative approaches.

Since 2014 the collective [SNDNG STTNS] has explored theatrical situations between musictheatre, staging and composition with live music, instruments, recordings, samples, speach and live editing, this work featuring cellist Guilherme Rodrigues bridges the art of the brazilian "violeros" with contemporary music, acoustic and electronic composition and improvisation.

The trio of Portuguese cellist Guilherme Rodrigues, Japanese percussionist Naoto Yamagish currently residing in France, and Japanese violinist Naoki Kita, active in improvisation and contemporary fields in Portugal and Berlin, met in Saitama, Japan at Barber Fuji to record these open conversations integrating extraneous noise and incidental instrumental sounds.

The Berlin-based electroacoustic Red List Ensemble founded by cellist Guilherme Rodrigues in a studio recording of the 3-part "Scope", improvised music created in real time using extensive techniques to create and raise tension in a game of contrasts, exploring orchestration in micro-groups through organization of surfaces that are opposed in terms of timbre and sound texture.

Not your average Creative Sources releases, the father/son collaboration of Ernesto Rodrigues on viola and Guilherme Rodrigues on cello are joined by 2/3 of Red Trio — Hernani Faustino on double bass and Rodrigo Pinheiro on piano — with Pedro Carneiro on marimba, for an impressively active set of Swirling, Whirling and Twirling improvisations.

Portuguese cellist Guilherme Rodrigues, an essential performer in the Creative Sources community of free improvisers, recorded this album from a personal need to share his freedom as a cellist, arriving at the studio and playing for almost two hours with nothing pre-planned, recording 23 concise improvisations that he describes as "fluid as a waterfall".

An impressive highly interactive and extended improvisation focused mostly on strings, with label leader Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, plus Red Trio's Hernani Fasutino on double bass and legendary Portuguese violinist Carlo Zingaro, with Jose Oliveira adding active percussive interaction, captured live at the CreativeFest XIII in 2019.

A substantial live work from the 2019 CreativeFest XIII at O'Culto da Ajuda in Lisbon from the improvising ensemble Sfumato lead by violist Ernesto Rodrigues, fulfilling the title of the album in great tension and suspense as the 11 members improvise, generating waves of activity between concentrated and meditative moments, an incredible example of power and restraint.

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".

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.

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.

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.

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.

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.

A suite in seven parts named in Latin with abstract spiritual connotations from the Portuguese free improvising trio of Paulo Galao on clarinet & bass clarinet, Guilherme Rodrigues on cello, and Nuno Morao on percussion, each movement using subdued yet detailed and active motion, a confident and adept meditation of powerfully controlled communion.

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.

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.

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.

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.

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 }".

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.

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.

Emulating the sounds and intentions of cranes through string improvisation and unusual techniques, the quartet of Estonian violinist Elo Masing, German violinist Dietrich Petzold, and Portuguese violist and cellist Ernesto and Guilherme Rodrigues name each of 8 tracks on the behavior of cranes, from forming a flock, migration, fighting, ritual dancing, to nesting.

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".

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.

An exciting meeting of multi-generational and multi-national, forward-thinking free improvisers performing live at Klub Demboh in Berlin in 2017, from the sextet of Axel Dorner (trumpet), Mia Dyberg (alto saxophone), Pierre Borel (alto saxophone), Ernesto Rodrigues (viola), Tristan Honsinger (cello) and Guilherme Rodrigues (cello).

Swedish double bassist Johan Moir, who focuses on extended techniques, preparations, Just Intonation and psychoacoustic phenomena, joins with cellist Guilherme Rodrigues in the studio in Berlin to record these 9 dialogs of haunting string improvisations, pushing the limits of their "hollow wood" instruments to create a vast palette of sound and approaches.

IKB continue their series of albums graced with taxonomic latin names for animals, here with the North Island brown kiwi bird, as the string- and wind-heavy electroacoustic ensemble led by violist Ernesto Rodrigues present this extended improvisation of subtle motion and understated complexity live at O'Culto da Ajuda, in Lisbon, Portugal in 2017.

A trio of free improvisers recording five detailed and subdued dialogs in the studio, from trombonist Matthias Muller (Splitter Orchester), cellist Guilherme Rodrigues, and guitarist Eric Wong, collective improvisation guided by long pointillistic passages that converge into lyrical focal points, a profound example of concentrative discourse.

Recording in Portugal, the quintet of Aural Terrains label leader Thanos Chrysakis on piano, Creative Sources label leader Ernesto Rodrigue on viola, son Guilherme Rodrigues on cello, Miguel Mira on double bass and Abdul Moimeme on electric guitar, three parts of microscopic collective electroacoustic improvisation of highly focused, detailed interplay.

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

A large work for cello, viola, sinewaves and electronics from the quartet of Guilherme Rodrigues, Ernesto Rodrigues, Ferran Fages, and Barriere, the first two foundation members for Creative Sources, the latter two frequent collaborators, Barriere bringing a mathematical background to the improvisation that blends acoustic and electronic sources in compatibly sinister ways.