I am totally behind the times when it comes to Pandora, that "tell us what you like, we'll play you other stuff you might like" free internet app/service/Web2.0 yummyness. But I finally joined the game. Got off the bench I did.
So I have made a radio station on Pandora called "KSRP." The artists I originally gave it to start the station were The Polyphonic Spree, Sufjan Stevens, Bonnie 'Prince' Billy, Iron & Wine, and, to mix it up a bit, The Go! Team. It has since played excellent songs from those artists and Now It's Overhead, Ben Folds, The Flaming Lips, Paul Simon, Too Much Joy and others.
It has also played complete and utter crap from Bryan Adams, Oingo Boingo, Wilson Phillips, and Dream Street. I am training it still, obviously.
Pandora will tell you why it plays certain songs. Here's an example:
For Ben Folds - "Landed": because it features acoustic rock instrumentation, mild rhythmic syncopation, acoustic rhythm piano, extensive vamping and meandering melodic phrasing.
For Sufjan Stevens - "In The Devil's Territory": because it features folk roots, a subtle use of vocal harmony, mild rhythmic syncopation, a vocal-centric aesthetic and acoustic rhythm guitars
So I guess that's the kind of stuff you might be able to expect on the station. Give it a try. Pandora is neat.