Sounded like she was introduced as "Renee Martin", but her name is Renee Marie. Maybe she was pissed off because they didn't get her name right.

Just found her website, where she wrote an explanation:
rene marie ~ Q & A
Breukelen advocaat Reviewed by Breukelen advocaat on . What a load of crap A Black singer was invited to sing the National Anthem somewhere in Denver Colorado. When it came time to sing it, she pulled a bait and switch and sang the BLACK NATIONAL ANTHEM, WTF !!!!!!!! Go to hell and burn! http://boards.cannabis.com/current-events/157456-we-culture-us-black-movement.html Rating: 5