The sound file includes tracks from the following albums (in order):

Ellen Fullman & Monique Buzzarté - Fluctuations (Deep Listening)
Vajra - Live (PSF)
COH & Cosey Fanni Tutti - COH Plays Cosey (Raster-Noton)
Thomas Brinkmann - When Horses Die... (Max Ernst)
The Magic ID - Till My Breath Gives Out (Erstpop)
Religious Knives - Resin (No Fun Productions)
Nalle - The Sirens Wave (Locust)
Aphex Twin - Selected Ambient Works 85–92 (R&S)
Sun Ra - Media Dreams (Art Yard) -
Various - Living Is Hard: West African Music In Britain 1927–1929 (Honest Jons)

The full current office ambience chart is:

Model 500 - Classics (R&S)
Ellen Fullman & Monique Buzzarté - Fluctuations (Deep Listening)
Vajra - Live (PSF)
Coil - The New Backwards/The Ape Of Naples (Important)
COH & Cosey Fanni Tutti - COH Plays Cosey (Raster-Noton)
Thomas Brinkmann - When Horses Die... (Max Ernst)
Anla Courtis/Seiichi Yamamoto/Yoshimi - Live At Kanadian (Public Eyesore)
The Magic ID - Till My Breath Gives Out (Erstpop)
Religious Knives - Resin (No Fun Productions)
Nalle - The Sirens Wave (Locust)
Aphex Twin - Selected Ambient Works 85–92 (R&S)
Blues Control - Puff (Fusetron)
Sun Ra - Media Dreams (Art Yard) -
Carlos Giffoni/Aaron Dilloway - Live At The No Fun Fest 2007 (No Fun Productions)
Various - Living Is Hard: West African Music In Britain 1927–1929 (Honest Jons)