In the Event Engine: Artist, Venue, and Regional layouts have quit populating.
Of course, they are also broken on my site. We've had good luck with the widgets for the last few months, but today they are disappointing again. I submitted a trouble ticket through the event engine interface. No response yet.
Here's an Artist example to try:
Carrie Underwood will kick off her 2010 tour tonight at Sovereign Center in Reading PA.