(.. or, maybe I should say: "if you know of another one, let me know about it.")
But, unless I hear otherwise, I'd say Jeff Blackman, Director/Radio Marketing for Tony Quinn's IQ Productions in Atlanta (404.255.3550) is the first one in.
Here's the clickthrough to "News & Ideas Radio Blog."
Tale of Two Bar Graphs: Country Shares and Music Scores - If you want to see just how long the current ‘up’ ratings cycle has been going on for country, this just-released Nielsen bar chart and This Week In Music...
46 minutes ago