I'm another fan of Radio Nacional Da Amazonia and Radio Rebelde. Sometimes the late night DJs on China's CNR-1 are interesting to listen to -- they play a mixture of soft jazzy music and sound like they're reciting some sort of poetry or something.
The Middle Eastern stations, when they're coming in, are always good for music. I used to listen to the Voice of Turkey every night until they either signed off or faded out. They played a terrific mix of Turkish music almost non stop. A lot of cumbus and saz....
The last couple of months I've been concentrating on MW, and the sounds of the distant stations coming through the ether have this mellowing effect on me, especially if conditions are good and the noise level is low.
I think it's the phasing effect, iI just find it very relaxing.