India, June 3 -- Black Crowes frontman Chris Robinson found himself in the middle of a controversy at a Florida concert after pushing back on fans who chanted "U-S-A", triggering boos, walkouts and a wave of angry reactions online.

The band was performing in Tampa on Sunday as part of their "Southern Hospitality Tou" when an image of their black crow mascot dressed as Uncle Sam was projected on the screen behind the stage, according to TMZ.

The crowd responded by chanting "U-S-A." Robinson who is 59, was not pleased.

"Thanks for the geography lesson," he said sarcastically, according to video of the moment obtained by TMZ. When the chanting continued, he went further, telling the audience, "I don't know what you have to be so proud of ...