The Tree Town Music Festival. Forest City, Iowa, 5/22/2015

The crowd listens to the national anthem at the Tree Town Music Festival. Forest City, Iowa, 5/22/2015

OEF veteran Duane Wilcox and his PTSD serivce dog, Star outside the American Legion tent at the Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Maddie Marlow of the country duo Maddie and Tae performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Taylor Dye of the country duo Maddie and Tae performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Old Dominion performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Old Dominion performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Old Dominion performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Lee Brice performs at Tree Town Music Festival. Forest City, Iowa, 5/22/2015

Dierks Bentley takes the stage at Tree Town Music Festival. Forest City, Iowa, 5/22/2015