A fire that started Sept. 4 in Central Texas' Bastrop County destroyed at least 1,500 homes and killed two people, marking the most devastating of the numerous fires that have scorched about 6,000 square miles in Texas in the last year.
"When they called us to do this show, there was zero hesitation," Dixie Chicks lead singer Natalie Maines told the crowd. "You can take the girl out of Texas, but you can't take Texas out of the girl."
The concert started with Christopher Cross and featured 11 acts. Images of charred forests, skeletal remains of vehicles and homes were shown between sets
The mega-concert at the University of Texas in Austin raised more than $500,000.
The Associated Press contributed to this report.