Gibbons of Siem Pang Protected Forest recorded by Adrian Stoeger
Andrew Pekler - Untitled / Insect March
Alessandro Brivio - Untitled
Jake Meginsky - Vandals + Waldkautz Balz recorded by Walter Tilgner 
Mike Kitcher - Processed Snippet of "Congo Traditional 1952 & 1957" # 8
Yannick Dauby - 蛙界蒙 + Francis Bebey- Sanza tristesse
Unnamed Aka Pygmy Singer - Dikoboda sombe (Hut song solo) + Morton Feldman - Samoa
Hanno Leichtmann - Primitiva 4
Three Legged Race - Tyrant (loop) + Lieven Martens Moana - A Subtle Landscape + Knud Viktor - Images
Luluwa people of Congo - Wa Kabwala Wa Beena Luluwa + Andrew Pekler - additional sounds 
Andrew Pekler - Synthetic Gamelan & Frogs
Yas-Kaz - Psychopomp + Tor Dietrichson - The Conjurer + Asmus Tietchens - Vektor 2 R
Rupert Clervaux & Beatrice Dillon - Study VII for Samplers and Percussion + Louise Lawler - Birdcalls
Günter Sommer - Hörmusik + Jake Meginsky - Four Zopas
Native Instrument - Live at Atonal 2016 + Cluster - Rote Riki (loop)
Pierre Henry - Continuum + Adam Asnan - Rev Sets 11
Hamza El Din - Song With Tar + Yannick Dauby - A Pattern Which Connects B
Gamelan Son of Lion - Gamelan II
Geinoh Yamashirogumi - Agba'a
Andrew Pekler - Humidity Index / Khao Sok (chopped and screwed)
Gibbons of Siem Pang Protected Forest recorded by Adrian Stoeger

Fourth World Problems II

Andrew Pekler