Mostly instrumental stuff. Some Dub, electronica that sort of thing. Lyrics usually distract but sometimes they are ok if the music is smooth. This is the stuff that has been in rotation for me lately:

http://northatlanticdrift.bandcamp.com/album/canvas http://seaoleena.bandcamp.com/album/sea-oleena http://pitchblack.bandcamp.com/album/remixes-rarities http://okamusic.bandcamp.com/album/half-lazy-half-crazy http://trinityroots.bandcamp.com/album/true And most of the Ultimae catalogue: http://ultimae.bandcamp.com/