Fred Jacobs has a great blog on the issues facing rock formats, and a lot of his brilliant musings are universal truths.
i.e. when one station vacates a format, it always seems like one company's dead lawn is another one's greener pastures.. and so it is in LA right now:
First: No "Happy Jack" In L.A.? Not long afterward: Jack LA - Postscript
Carrie Underwood's Big, Live TV Debut Is Tonight - The Sound of Music Live on NBC is tonight at 8/7c!
2 hours ago