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These Christina Kubisch five compositions on the CD are based on numerous live recordings of electromagnetic fields, made between 2003 and 2007 in the cities of Birmingham, Chicago, Taipei, Paris, Bremen, Riga, Tokyo, Madrid, London, New York, Berlin and others. The sounds have not been altered electronically or by other means. Electrical Walks is a public walk with custom-made sensitive wireless headphones by which aboveground and underground electromagnetic fields are detected, amplified and made audible.
The transmission of sound is accomplished by a built-in set of induction coils which respond to the electromagnetic waves in our environment. The palette of these noises, their timbre and volume vary from site to site and from country to country. They have one thing in common: they are ubiquitous, even where one would not expect them. Light systems, wireless communication systems, radar systems, anti-theft security devices, surveillance cameras, cell phones, computers, streetcar cables, antennae, navigation systems, automated teller machines, wireless internet, neon advertising, public transportation networks, etc. create electrical fields that are as if hidden under cloaks of invisibility, but of incredible presence.