V/A – The Space Project LP (Rare / Used, VG+)

Compilation featuring source material originally recorded by the Voyager 1 and Voyager 2 space probes.

Audible frequencies such as those made by musical instruments are caused by the compression of air or other gases and cannot propagate in a vacuum such as space. The "songs" recorded by the Voyager probes aren't sounds in the conventional sense, rather, they're produced from electromagnetic radiation fluctuations in the magnetosphere of the celestial bodies studied by the Voyager probes.

Record Store Day comp. from 2014 limited to 750 copies.