SomaFM Ear waves
SomaFM is currently testing a new channel. Featuring both classical and electronic.
http://somafm.com/earwaves.pls
It's the only link right now, soon they will probably add it to their 'official' catalogue with more playback options.
"Earwaves is a collection of new and experimental music from around the world, focusing on but not exclusive to - the experimental side of electronics, new music, 20th and 21st century contemporary classical (minimalists and avant garde), progressive electronics, electro-acoustic, computer music and other mutant art-music forms. The approach is, as Dwight describes it, "ancient-to-the-future" - spanning the complete history of electronic and experimental music from the early pioneers to the latest innovators. Earwaves, a front row seat on the long, historical ride of thought provoking sonic exploration."
And if that's too experimental, on
www.somafm.com you will find some other excellent 'space' radio stations, commercial free. Like Drone Zone, Space Station Soma...