Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Brantley Gilbert fires a Howitzer 105mm cannon with the help of members of the Wisconsin National Guard during Country Thunder - Day 2 on July 20, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Brantley Gilbert fires a Howitzer 105mm cannon with the help of members of the Wisconsin National Guard during Country Thunder - Day 2 on July 20, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Brantley Gilbert fires a Howitzer 105mm cannon with the help of members of the Wisconsin National Guard during Country Thunder - Day 2 on July 20, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)

Country Thunder - Day 4

TWIN LAKES, WI - JULY 22: Singer/Songwriter Hunter Brantley Gilbert performs at Country Thunder - Day 4 on July 22, 2012 in Twin Lakes, Wisconsin. (Photo by Rick Diamond/Getty Images for Country Thunder)