I need something that has a good variety and is apporpriate for work. I'll listen to anything, but if it has mainstream + indie rock and/or dance that would be really awesome.
Can you use iTunes radio stations? That's how I listen to the radio at work. They probably all have stations independent of iTunes anyway though.
My fave is under "Modern and Alternative Rock" in iTunes. It's 3WK Underground Radio. They tend to play the same stuff over and over if you listen to them all week, so I would alternate.
My second favorite, if you like movie/TV scores, is under "Eclectic" in iTunes. It's Streaming Soundtracks. It's mostly instrumental.
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Veni, Vedi, Visa.
I came, I saw, I did a little shopping.
Another site that I enjoy is somafm.com. They have a few different stations, depending on your tastes, but I usually listen to the "indie pop rocks" one. No commercials, either!
try pandora.com you can create your own radio stations by entering bands/songs you like, and it will play similar music. I have found lots of good artists on there. Its simple and free!