Despite the variety of Christian music—from hard-rock p.o.d. to soft-pop p.o.g. (Point of Grace)—most is pretty mainstream, predictable stuff. Not so online. You'll still have a hard time finding Christian zydeco or Jesus surf music, but there are many other genres you won't find at the local Christian store. Especially good is Live365.com, which streams music in nearly 100 different Christian genres. ChristianTuner.com has more links.
We don't speak Arabic, but we can't understand Christian punk band mxpx either.
A nice variety of blues, both acoustic and electric, but the quality is mixed too.
Tin whistles, bagpipes, bodhráns, and the occasional electric guitar by professionals.
Interspersed between bands like Jars of Clay are some seriously cool dance tunes.
The closest you'll get to a Christian "oldies" station.
Christiantuner.com has a plethora of live Christian radio and TV stations, programs, on demand, and music download (mp3) links.
Live365 is one of the best music sites out there for Christians offering a diverse selection of Internet radio stations.
ChristianityToday.com's music channel features articles, reviews, and bios on bands in the CCM.1