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 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.

Recording at Berlin-Wedding's performance space Werkhalle Wiesenburg in the summer of 2023, the free improvising chamber trio of violist Ernesto Rodrigues and cellist Guilherme Rodrigues meet with Portuguese flutist Carlos Bechegas, bringing contemporary classical technique to an extended and energetically tempestuous improvisation and a sprightly "Time Between".

Berlin studio recordings from the free improvising quartet of Beat Keller on feedbacker electric guitar, Ernesto Rodrigues on violin, Rieko Okuda on piano and Guilherme Rodrigues on cello; four string players invoking the reptilian Mesozoic age through unusual approaches to their instruments, extending the palette of each while creating unexpected percussive elements.

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.

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.

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.

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.

Berlin recordings from the lowercase chamber improvising string quartet of New Zealand violinist Sarah Claman, Portuguese violist Ernesto Rodrigues and cellist son based in Berlin, Guilherme Rodrigues, with Swiss sound artist Caroline Cecilia Tallone on electroacoustic hurdy gurdy & amplified objects, exploring three shadow aspects of "Umbra", "Penumbra" and "Antumbra".

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.

An extended improvisation of mostly quiet, occasionally cantankerous, but always intriguing free music, primarily acoustic playing with a strong cast of string players, plus reeds, keys, and computer, creating suspenseful music of great tension and impressive restraint as the sound evolves in gradations and facets of sound.

"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.

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.

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.

Two strings, sax, bass and percussion from the free improvising chamber jazz quintet of Mia Dyberg on alto saxophone, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Johan Moir on double bass and Jose Oliveira on percussion, in an interactive and dynamic live performance recorded in 2018 during the CreativeFest XII at O'Culto da Ajuda, in Lisbon, Portugal.

An unusual improvising string quartet plus alto saxophone, Thea Farhadian (violin), Ernesto Rodrigues (viola), Guilherme Rodrigues (cello), Klaus Kurvers (double bass) and Nuno Torres (alto saxophone) present the 11-part "De-col//age_", a slowly-developing work balancing unconventional approaches to their instruments with more conventional strategies.

Portuguese legendary rocker and experimenter Flak (Rádio Macau, Maquina do Almoco Da Pancadas) invited an ensemble of rock, free improvisors and electronic musicians--Rodrigo Amado, José Lencastre, Luís Lopes, Guilherme Rodrigues, Francisco Rebelo and Rui Alves--for this improvised live performance in Lisbon, merging genres in inventive and intriguing ways.

The cosmological concept of the aeon, the conflict between matter and spirit, is explored in eight "Chronicles" of collective free improvisation using impressive technique and concentrative interaction from the Portuguese quartet of Flak on acoustic guitar, Guilherme Rodrigues on cello, Bruno Parrinha on bass clarinet and Ernesto Rodrigues on violin.

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 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.

"While the previous Garcia/Branche CD seemed also improvised to me, this five-person work is of the two the more improvised one. The quintet of players also like their sounds to be sustaining, placing bows on strings, but also motorized...

German composer working in Budapest Nikolaus Gerszewski does not consider the score for this piece a composition, but rather a basis for a process, which is executed live at Fabrica Braco de Prata with Gerszewski himself plus improvisers Ernesto & Guilherme Rodrigues, Pedro Roxo, Nuno Torres, Armando Pereira, Carlos Santos, Pedro Castello Lopes & Andre Mota.

Glasgow's Improvisers Orchestra from the CCA Glasgow performing three free improvisations and a discretely structured piece by Raymond MacDonald.

Saxophonist Guionnet guides this quartet of sax, viola, cello, & percussion, including label leader Ernesto Rodrigues, delicate yet detailed improv of a high order.

Four improvisations recorded iteratively during the pandemic and assembled into this exquisitely subtle two-part composition with Eva Maria Houben's piano & organ recorded in Berlin in 2020, Guilherme Rodrigues's cello recorded in Berlin and Ernesto Rodrigues's zither recorded in Lisbon in 2021, merged with nocturnal recordings from Carlos Santos captured in Spain & Portugal.

A mysterious album of viola, viola d'amore, organ, and field recordings, merging the compositional minimal approach of Wandelweiser artist Eva-Maria Houben with Creative Sources performers Ernesto & Guilherme Rodrigues, the field recordings creating a virtual setting of environmental stillness, evoking slow motion in the unique "thisness" of haecceity.

Two CDs representing two extended improvisations of the IKB Ensemble with slightly different personnel, with each ensemble slowly unfolding an amazingly textured work of acoustics and electronics with strong intent and incredible technique, balanced by close listening and attention to detail; an excellent 21st century improvisation orchestra captured live.

Sealed copy. A large Lisboa ensemble presenting a collective improvisation titled after a painting by Yves Klein, with performers including Ernesto Rodrigues (baritone violin), Miguel Mira (bass), Nuno Torres (sax), Carlos Santos (electronics), Rodrigo Pinheiro (piano), &c. &c.

Portugal's IKB Ensemble is an electracoustic improvising ensemble with a strong string and wind section, balanced with electric guitar, electronics, and percussion, each album focusing on an object--an art work, Dracaena Draco (Dragon Tree), Chelonoidis Nigra (Giant Tortoise)--and here taking on the Ornithorhynchus Anatinus, or platypus, in 3 fascinating movements.

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.

Ernesto Rodrigues leads a 16 piece orchestra of strings, reeds, winds, voice, brass, accordion, electric guitar, electronics and percussion through the elaborately restrained work "Chelodnis Nigra", rewarding the careful listener with fascinating layers of sound.

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.

Referencing the work of French artist and composer Yves Klein, this large group of Creative Sources regulars perform the 4 part Monochrome Bleu Sans Titre, a subtle and rich work of acoustic and electronic improvisation.

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.

One of Portugal's most interesting large scale lowercase ensembles led by violist Ernesto Rodrigues, with frequent Creative Sources collaborators including Nuno Torres on alto sax, Carlos Santos on electronics, Guilherme Rodrigues on cello, Miguel Mira on bass, 14 musicians move with subtlety in a tapestry of electroacoustic resonance and mystique.

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.

This string and reed quintet presents a fluid approach to chamber-oriented improv with dexterous melodic and harmonic motion, utilizing contemporary and jazz idioms as they create something masterfully unique; from Anna Kaluza on alto sax, Edith Steyer on alto sax & clarinet, Ernesto Rodrigues on viola, Guilherme Rodrigues on cello and Ulf Mengersen on double bass.

The Creative Sources core string improvisers of violist Ernesto Rodrigues, cellist Guilherme Rodrigues, cellist Miguel Mira, and double bassist Alvaro Rosso, with frequent collaborator percussionist Vasco Trilla, are joined by German violinist Harald Kimmig (Trio Kimmig) for a dynamic album that fluctuates from acoustic lowercase to rapid pointillistic improv.

Incredible and telepathic ea-oriented improv from violist Ernesto Rodrigues, saxophonist Martin Kuchen, cellist Guilherme Rodrigues, and electronicist Carlos Santos.

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.

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.

Spanning three generations of improvisers, the duo of violist Ernesto Rodrigues and cellist Guilherme Rodrigues join with tenor saxophonist Gonçalo Mortágua and legendary percussionist Gunter Baby Sommer to record eleven diverse improvisations in the studio in Berlin, naming the quartet "Not Bad", an extreme understatement for their unique chamber influences of European Free Jazz.

Father and son string improvisers Ernesto Rodrigues on viola and Guilherme Rodrigues on cello join with Berlin improvisers Fumio Okura (Ensemble 222) on violin and Hannes Buder on guitar for six collective chamber free improvisations using extraordinary technique and focus, creating parallel and converging conversations that build and recede in vigorous momentum.

Excellent, fun and slightly twisted free improvising quintet with Dennis Gonzalez, Mark Sanders, Alipio Netom, and father/son team Ernesto Rodrigues and Guilherme Rodrigues.

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 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.

Two freely improvised works performed on cello, sine waves, cracklebox, bottle, synth, cornet and objects from the quartet of frequent collaborators Guilherme Rodrigue, David Area Guillermo Torres, and Tomas Gris, a mix of subtle improvisation and subsuming sound.

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.

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.

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.