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

Ricardo Villalobos - Enfants (Chants) (Sei Es Drum)
William S Burroughs - Real English Tea Served Here (Audio Research Editions)
The Original Trevor Watts Drum Orchestra - Drum Energy! (Hi4head)
Sun Ra - Some Blues But Not The Kind That’s Blue (Atavistic)
Anat Ben David - Virtual Leisure (Chicks On Speed)
Skyphone - Avellaneda (Rune Grammofon)

The full current office ambience chart is:

Ricardo Villalobos - Enfants (Chants) (Sei Es Drum)
Liquid Liquid - Slip In And Out Of Phenomenon (Domino)
Astral Social Club - Model Town In A Field Of Mud (Textile)
William S Burroughs - Real English Tea Served Here (Audio Research Editions)
Popol Vuh - Nachts: Schnee (Mika Vainio Remix)/Aguirre
I (Haswell & Hecker Remix) (Editions Mego 12")
Various - Victrola Favorites (Dust-To-Digital)
Willits+Sakamoto - Ocean Fire (12k)
The Original Trevor Watts Drum Orchestra - Drum Energy! (Hi4head)
Mike Cooper - The Chao Praya: River Of Kings (Hipshot Hipscape)
Various - Don’t Stop: Recording Tap (Numero Group)
Toshi IchiyanagiObscure Tape Music Of Japan Vol 8: Electronic Field (Edition Omega Point)
Sun Ra - Some Blues But Not The Kind That’s Blue (Atavistic)
Anat Ben David - Virtual Leisure (Chicks On Speed)
Coil - Live In Porto (authorised bootleg)
Skyphone - Avellaneda (Rune Grammofon)