Three performances of Pauline Oliveros' compositions for two or three instruments, performed by the same trio who premiered the work in 2017 at the commission of the Chicago Symphony Orchestra's MusicNow Series--Mars Williams on reeds, Katinka Kleijn on cello and Rob Kassinger on bass--these versions performed live in 2018 at Elastic Arts along with two collective improvisations.

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".

Takamitsu Ohta, known for his work with artists Anne-F Jacques & Ryoko Akama, in three unexpected recordings using the microphone and speaker of small devices with recording and playback ability, from five to fifteen such linked devices creating surprisingly stacatto and expressive voices from feedback, each piece aptly named for the resulting articulation each combination creates.

Creative Sources label leaders Carlos Santos on computer and Enresto Rodrigues on harp are joined by saxophonist Katsura Yamauchi, using unorthodox techniques to create a beautifully floating album of modern ea-improvisation.