Sirius Satellite.
REDNECK - as in Roadhouse and the Bluegrass channels, 50's/60's rock and roll......
Sirius Satellite here too! (also in the house and workshop and now on my iPhone with Sirius' app)
In addition to those above, I listen to Willie's Place (Willie Nelson and the like), 40's (Big Band/Swing), Margaritaville (Jimmy Buffet and that type), WaterColors ('smooth' jazz), and Real Jazz (classic jazz).
heh heh heh - have yet to put some of my old time gospel and blues guitar tapes in my car carry case.....
And also on Sirius, I like enLighten (Sirius 67)...mostly old time gospel, quartets, old songs.....all the good ol' stuff I grew up hearing at Sunday afternoon "Singings" at our old country church....right after a potluck! The same stuff my Grandad sang and played on his guitar.
On the AM/FM radio in the car, it's one of the local country stations or WBBM-AM out of Chicago (24 hour News and Weather...no editorializing, just plain old news reporting).
Now with the iPhone plugged into the car radio's 'aux' port, I have apps so I can listen to WSM out of Nashville anytime and hear the Grand Ole Opry on Saturday nights....one of my long time faves...(used to tune it in on my little transistor radio when I was a kid), and some others that would be far out of range otherwise. With the Sirius satellite app on the iPhone, I don't need to try to remember to grab the Sirius tuner every time I head to get in the car either.