Our planet is a natural source of radio emissions, which surround us all the time.
Radio waves propagate in the Earth's atmosphere, ionosphere and magnetosphere,
and cannot be heard by humans since they are electromagnetic waves.
When we convert them to sound waves they can be detected by our ears. The way
these waves sound, when played through an audio system, defines their name: sferics,
tweeks, whistlers, chorus, and hiss. We also call them "Earth Songs".

We used the "Earth Songs" as the primary material for the music composition
"Sonic Landscapes #1".

Sonic Landscapes #1

The pulsars are very dense and rapidly rotating neutron stars with a strong magnetic field. Their rotational periods range from roughly milliseconds to seconds. They emit a radiation beam along their magnetic poles, which can be received as the beam crosses the Earth. When radio waves received from pulsars are converted to sound waves, they are audible by our ears. The pulsars "sounds" used for this composition were provided by the Jodrell Bank Centre for Astrophysics: jb.man.ac.uk/research/pulsar/Education/Sounds/

Sonic Landscapes #2

My first album released back in 1998 by Capp.
You can also download it in "wav" format at: http://alfa-p.com/downloads.html

aLfa.P

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