"RadiaLx is a biannual radio art festival and takes place between 20 and 28 September 2008 in Lisbon, Portugal gatherind an international set of groundbreaking artists, instigators and producers, delivering public interventions, performances, workshops, live radio broadcasts, discussions and conferences."

It is organized by Ricardo Reis and Paulo Raposo. Paulo Raposo is also behind Sirr Records and the Sound of Space radio show.

"Sound of Space is an ongoing radio show conceived for the Lisbon based Radio Zero. The program is focused in presenting and documenting site-specific works, compositions and installations which explores ways to disrupt and reconfigure space in unexpected and ideosyncratic ways providing new forms of individual or collective aural experience ."