NASHVILLE (AP) - Dierks (DURKS) Bentley will use his one day off this month to host a concert in honor of the fallen firefighters in Arizona. Bentley will headline the "Country Cares Concert" in Prescott Valley, Arizona, on July 22. Nineteen members of a firefighting crew were killed there last week. Bentley grew up in Phoenix. He says he wants to help get something rolling to take care of the families of the firefighters. Other performers will be announced soon.