Medium uw22 cover web
Unseen Worlds
UW22 | January 18, 2019
All items include instant download

Release Info

Laurie Spiegel’s second full-length album, Unseen Worlds, arrived just over ten years after her debut album.  Having realized the pieces found on The Expanding Universe (1980) on an instrument no longer available to her, the GROOVE System at Bell Laboratories, Spiegel moved on to composing and developing for the Alles Machine, alphaSyntauri, McLeyvier and various other instruments before creating an instrument entirely her own. Spiegel created “Music Mouse - An Intelligent Instrument” on a Macintosh 512k so that she could have an instrument that was not general purpose but a small, specialized, and well defined musical instrument for and by her that she did not have to compromise on or risk losing access to it.  While it was a very personal instrument for Spiegel, demand among friends and colleagues nevertheless grew until “Music Mouse - An Intelligent Instrument” became a commercial product for the Macintosh, Amiga, and Atari personal computers with a devoted popular following that continues to this day, despite the obsoletion of those platforms.  At the time of her Unseen Worlds album’s original release in 1991, the issuing record label turned out to be going out of business, dissolved and disappeared, sending the album immediately into obscurity.  Outside of a private CD edition issued by Spiegel on her own Aesthetic Engineering label in 1994, this new edition represents the first proper commercial release of Unseen Worlds.

“Some pretty amazing heartfelt molecular inner-happening soundscape soul journeys” – Terry Riley

“Laurie Spiegel is one of those rare composers in whom head and heart, left brain and right brain, logic and intuition, merge and even exchange roles.Though she is one of the highest-tech computer composers in America, Spiegel is also a lutenist and banjo player, and sees the computer as a new kind of folk instrument. She makes her most intuitive-sounding and melodic music from mathematical algorithms, and her most complex computerized textures by ear and in search of a desired mood. Form and emotion are as difficult to separate in her music as they are in that of her idol, J.S. Bach.” – Kyle Gann

Unseen Worlds is not so much based on melody and rhythm as it is on textures, pulses, and sonic environments. Sometimes dark, sometimes light, its drama pulls in the adventurous listener who wants to take a musical journey. Using computer software she wrote in order to implement a unique musical vision, Unseen Worlds blends the artistic and the technical, the cerebral and the sensual, and revives the virtually abandoned tradition of electronic music. Unseen Worlds is the work of a sonic explorer whose music can both challenge and caress. Those looking for other worlds of sound can put on headphones and find them here.” - Craig Anderton

Product Info


Single CD
Tri-fold wallet
Period photos
Liner notes by Laurie Spiegel and Kyle Gann


2 LP set
Cut at Dubplates and Mastering
Liner notes by Laurie Spiegel and Kyle Gann
Download card included


Your choice of the following formats:
MP3  - 320kbps
FLAC - 16/44.1
ALAC - 16/44.1
Digital booklet


"At points, the music almost forms a fractal bridge between Wolfgang Voigt’s thumping ambient drift of GAS and Paul Dolden’s digital landslips over a Renaissance harpsichord. As you settle into Unseen Worlds, it really starts to go spectacularly widescreen." - John Nicol, Obladada 

"Spiegel’s music is generally classified as ambient, but there’s very little about Unseen Worlds that could be described as such; the propulsive, perfectly sequenced flow imbues the album with a unique, uncharacteristic linearity... Unseen Worlds feels both microscopic and panoramic... Spiegel’s influence has never felt stronger, thanks to labels like Huerco S.’s West Mineral Ltd., and the algorithmically-focused virtuosity of artists like Caterina Barbieri. In other words, there’s no better time to show how ahead of its time her Unseen Worlds was." - Miles Bowe, Bandcamp "Album of the Day"

“These are spacious, unpopulated worlds that beckon without begging, where sounds that seem to suggest stasis reveal themselves to be bustling nodes of activity, all of it balanced right on the precipice of sublime beauty. Despite all those years on the shelf, Unseen Worlds’ warring microtones and hushed awe make it feel remarkably fresh.” - Marty Sartini Garner, The A.V. Club “A Sides” feature

“If you didn’t know or don’t care about the cutting-edge computer programming, newly created digital instruments, and the technical facts behind the creation of “Unseen Worlds”, that’s fine because it’s so enjoyable purely on its own terms. For any fan of electronic music, this reissue is absolutely necessary.” -Vital Weekly