Acoustical Illusions (mix)

“Acoustical Illusions”, a part of the “Hum in the Room-trilogy” (2005), is dedicated to the environmental sounds that sound like distant choirs or orchestras.

Sometimes when you listen to sounds in your environmental background, they may vaguely sound like a full string orchestra, or like soft whispering voices.
An orchestra tuning? Cars passing on the highway?Sound that sound different from what they really are – Acoustical Illusions.

Like the other wo mixes in this set (“Mantra of Walls and Wiring” and “The Hum in the Room“) this is a very minimal, drone-oriented mix.

And probably, you’ll also hear some sounds that aren’t even in it!


  • Matthias Grassow – Hidden Deep
    - Hidden deep, 1999, 2001, Sistema Operativo
  • Paul Schutze – The Head, the Soles of the Feet, an Arm
    - Third Site, 1999, Rykodisc RCD 10464
  • Matthew Florianz – Heden
    - Sprook, 1999, unreleased
  • Anders Blomqvist – Sparar (Tracking)
    Media Artes II, 2002, Chamber Sound 27
  • Banabila – Still Waiting
    - Hilarious Expedition, 2005, TAPU RECORDS, TRBOP01
  • Banabila – SMS-ing
    - Hilarious Expedition, 2005, TAPU RECORDS, TRBOP01
  • Astrogenic Hallucinauting – Non Angular Chamber
    - Drone Download Project 2003
  • Biosphere – The Silent Orchestra
    Man with a Movie Camera, 2001, Touch TO:50
  • Matthew Florianz – Hidden
    - Electronic Forest, 2002. H/S Recordings HSCD6
  • Michael Prime – Armillaria
    - Solar, A Musical travelogue, vol II, 2002 Soleilmoon 04140
  • Arve Henriksen – Ending Image
    - Chiaroscuro, 2004, Rune Grammofon RCD2037
  • Leif Inge – Beetstretch B912 (2x)
    - Beetstretch, (Beethoven’s 9th stretched to 24 hours)
  • Robert Henke – Studies of Thunder
    - Signal to noise, 2004, Kompakt ICM 05
  • Frank Perry – Treasure of the Mountain –
    Solar, A Musical travelogue, vol II, 2002 Soleilmoon 04140
  • Brian Eno – Deep Glass Bells (with Harmonic Clouds)
    - Bell Studies for the Clock of the Long Now, 2003, Opal, Opal CD02
  • Scanner – Throat Paint Fortune
    - Solar, A Musical travelogue, vol II, 2002 Soleilmoon 04140
  • Michel Redolfi – Crysallis – Deep Sleep
    - Crysallis, Underwater Opera, 1999, unknown
  • Sidsel Endresen & Bugge Wesseltoft – Voices
    - Out Here in there, 2002 Jazzland 017 368-2
  • Claude Schryer – Musique de l’Odyssee Sonore – Eau
    - Excitations, 1997, Empreintes Digitales IMED 0050
  • Higher Intelligence Agency & Biosphere – Meltwater
    - Polar Sequences, 1995, Beyond RBACD17
  • Voice of Eye – Sirens at Propolis
    - Storm of Drones, 1996, Asphodel 966
  • Jocelyn Montgomery/David Lynch – Flame and Vision
    - Lux Vivens, 1999, Mammoth 98013
  • Thomas Köner – Nival
    - Permafrost, 1994 Barooni BAR 009
  • Dino Pacifici – The Currents of Space
    - The Float Zone, 2004, Scorpio Rising Music
  • Oöphoi – Cydron
    - The dreaming of Shells, 2003, Mystery Sea
  • Christophe Charles – Verena
    - Maschinelle Strategeme, 2000, Ritornell, RIT010
  • Banabila – Phonema (1)
    - Hilarious Expedition, 2005, TAPU RECORDS, TRBOP01
  • Brian Eno – Night Thoughts
    - Textures, 1996, Standard Music Library, ESL003

Pseudo-auditory Hallucinations True Auditory Hallucinations

“True auditory hallucinations are when you can clearly hear and understand voices (that are not there) talking to you. True auditory hallucinations are a sign of mental illness such as schizophrenia and have nothing to do with our ears. Pseudo-auditory Hallucinations In contrast, pseudo-auditory hallucinations have nothing to do with mental illness, but have everything to do with our faulty ears.

People don’t talk much about pseudo-auditory hallucinations because they think others will think they are nuts if they do. The big difference between true auditory hallucinations and pseudo-auditory hallucinations is that pseudo-auditory hallucinations are always vague—not clear and understandable. Pseudo-auditory hallucinations sound vaguely like tunes, music or voices. They sound “fuzzy” or indistinct. One lady described hers as, “like the wind blowing, but with a musical quality, as if someone off in the distance was singing without words.” Another lady said, “I’ve never heard a tune that I could identify. It sounds more like an orchestra warming up.” Another woman described hers thus; “When I am in a real quiet room I hear this humming in my head like someone is humming a song but can’t keep a tune.”

Make no mistake, when we hear pseudo-auditory hallucinations, it is a very real experience to us. One woman commented to her husband after they arrived at their hotel that she had really enjoyed the music on the plane trip. Her husband replied, “There was no music on the plane.” On the return trip she again heard the music and nudged her husband. He listened and replied, “Nope! No music!” A man related, “I would often lie half awake in the morning and hear a ‘radio.’ A guy would be talking like they did in the 50’s. Kind of a monotone voice and all the advertisements like they did back then.” One lady noted that when she was a young girl and flying with her dad in small planes, she would hear music. She described it, “The music was a full choir, rather like the Mormon Tabernacle Choir, and when I was very young, I thought it was angels singing.” “

text taken from:

Download Acoustical Illusions Now 97Mb (59 min.)


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3 Responses to Acoustical Illusions (mix)

  1. says:



  2. Nitalynn says:

    Thank you for the above article about Pseudo-auditory Hallucinations. I have suffered with this problem for over 25 years. I never truly felt I had a serious mental condition related to this but finding that verification took a very long time. It is only earlier this year that my search finally found the article you referenced. As I understand it the name of the condition has now been changed to Musical Ear Syndrome, probably in an attempt to move it away from the perception that it is a mental problem.

  3. PvC says:

    It must be a relief to find out about this phenomenon after 25 years! I just finished reading Oliver Sacks’s “Musicophilia. Tales of Music and the Brain.” which also is very interesting to read.

    Of course, I’m also curious: did you also listen to the mix? If yes, what do you think about it?

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