Speaking of GOOD music,
I always stream one of these two links into my office.
They are both of WMGK out of Philadelphia.
Their format is 1960's on up rock.
First is their regular FM station:
http://gmppodcast.com/stream/WMGK/
The second one is their digital station,
they play some really obscur stuff on this one:
http://gmppodcast.com/stream/wmgk2/