I don’t care much about Fenway, specifically, but this would be cool if shot just about anywhere.
One Day At Fenway - Letus Extreme Film - Time Lapse - HDTV from Tom Guilmette on Vimeo

I particularly like when the entire crowd stands up. And then files out in seconds, while it takes “minutes” for them to file in. Kinda neat look at human/crowd dynamics. ;-)