The third Spiegel, or mirror, takes the Portuguese acoustic octet led by violist Ernesto Rodrigue through an extended improvisation and its reflection, captured live at the 2021 CSFest XV, at O'Culto da Ajuda, by performing and recording their performance in a first pass, and then playing over the first improvisation, layering and extending their work.

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.

Translating loosely to "Something begs the patience of the clouds", the collaborative electroacoustic quintet of Ernesto Rodrigues on viola, Guilherme Rodrigues on cello, Bruno Parrinha on bass clarinet, Luisa Goncalves on piano and Carlos Santos on electronics present two extended improvisations of tension, masterfully adept technical skill and intensively close listening.

Post-pandemic, the electroacoustic IKB ensemble returned to the stage in 2021 at O'Culto da Ajuda in Lisbon with some of Portugal's finest improvisers performing under the direction of violist Ernetso Rodrigues, to express in sound the large rainforest beetle Titanus Giganteus, represented in an extended collective improvisation of restraint fueled by masterful and creative skill.

Bringing together Lisbon artists active in contemporary classical, electroacoustic soundscape and improvisation, the quartet of Ernesto Rodrigues on viola, Joana Sa on soprano saxophone, Luisa Goncalves on piano and Carlos Santos on electronics delicately "Melt" or merge these elements in a subtle and absorbing concert captured live at Lisboa Incomun.

The 8-piece String Theory ensemble directed by violist Ernesto Rodrigues performs a beautiful and subtle work inspired by a poem written by Rodrigues, "Une Ombre Du Bonheur", realized through viola, violin, cellos, viola de gamba, double bass, piano, zither and objects, a stunningly beautiful and deceptively tranquil work of exceptional detail and dexterous execution.

A rich and lyrical album of solo piano improvisation from Lisbon-based Portuguese pianist Luísa Gonçalves, improvised yet merging elements of contemporary compositional music into beautiful and graceful forms that she reveals in a contemplative and pensive mood, savoring her notes and progressions while allowing melody to come forward in sophisticated ways.