CITR’s 24 Hours of Radio Art in a snack sized format. Dark Ambient. Drone. Field Recordings. Noise. Sound Art. Or something. Friday afternoon’s broadcast features new Sleep Research Facility, Sonologyst, Kodax Strophes (Martyn Bates / Eyeless in Gaza), Yannis Kyriakides, Langham Research Centre and John Butcher, Anthony Pateras’ “Palimpsest Geometry“, and Marianne Svašek’s “Raga Marwa“.