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.

Citing references including Sun Ra, electric Miles, Ornette, Wadada Leo Smith, Stockhausen & Gabriel Prokofiev, guitarist Luis Lopes's Abyss Mirrors brings together artists drawing on European & Brazilian performers from Clean Feed, Shhpuma and Creative Sources for these evolving and often ecstatic collective, experimental improvisations; unpredictably edgy and exciting!

Continuing their exploration of isotopes, here focusing on the unstable element Uranium, the Portuguese Isotope Ensemble led by violist Ernesto Rodrigues presents two stunningly detailed concert performances from the 2021 CSFest XV at O'Culto da Ajuda in Lisbon, with some of Europe's leading improvisers taking on U92 in both "Electroacoustic" and "Acoustic" properties.

The 8-piece String Theory ensemble directed by violist Ernesto Rodrigues in a live performance at O'Culto da Ajuda in Lisbon of a beautiful and subtle work inspired by a poem written by Rodrigues, ".. dans cette immensite ", realized through viola, violin, cellos, viola de gamba, double bass, piano, zither and objects, a deceptively tranquil work of detail and dexterous execution.

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.

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.

"In Gerald Murnane's Barley Patch, he writes of a character who, listening to music in an old timber building, would hope to find "the crowd of dust-motes that he sometimes saw swirling or drifting in a shaft of sunlight." As he listene...

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.

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.

A 46-member orchestra of electroacoustic improvisers performing live at St. George's Church in Lisbon in 2015, for an extended and dynamic tapestry of sound conducted by leader Ernesto Rodrigues, with an impressive list of artists familiar to those following the CS label.