Dwyane Wade's Foundation Sued -- I Got Beat with a Drumstick

High school marching bands are NOT to be trifled with -- just ask one Chicago woman, who claims she was attending a charity event for Dwyane Wade's foundation last year ... and took a beating to the head with a bass drum mallet.

Andrea Alexander filed the lawsuit against Wade's World (EXCELLENT!) claiming she had an aisle seat at the foundation's "Chicago Has Talent" event last year when a high school marching band blared and crashed its way past her.

Alexander claims the aisles were so narrow, one of the band's bass drummers whacked her in the head with his bass drum mallet ... causing her "severe and permanent injuries."

Alexander says its Dwyane's foundation's fault for negligently allowing the band to play in the narrow aisles ... and she wants at least $50,000 to make up for her pain and suffering.