David Cook, winner of the seventh season of American Idol.

David Cook visiting MLB.com in New York in September 2015

David Cook at Belly Up Tavern in San Diego, CA

David Cook, a Nashville singer-songwriter and "American Idol" winner, poses with base leadership after performing a free concert May 26, 2016 at Fairchild Air Force Base, Wash. (U.S. Air Force photo/Airman 1st Class Taylor Bourgeous)

David Cook performing at Toad's Place in New Haven, CT

SCHRIEVER AIR FORCE BASE, Colo. -- Attendees watch David Cook and his band perform at Schriever Air Force Base, Colorado, Friday, Sept. 16, 2016. More than 770 people attended the base’s first outdoor concert. (U.S. Air Force photo/Christopher DeWitt)

David Cook, the American Idol Season Seven winner, performs a song at Holloman Air Force Base, N.M. on Sept. 11, 2016. The 49th Force Support Squadron hosted the event, which is Cook’s 10th Air Force Base he has visited on this tour. (U.S. Air Force photo by Staff Sgt. Warren Spearman)

Dávid Roland. Taken on the 30th of July, 2016. Széchenyi Park, Balatonkenese. Dávid Roland Band.

Dávid Roland. Taken on the 30th of July, 2016. Széchenyi Park, Balatonkenese. Dávid Roland Band.

Dávid Roland. Taken on the 30th of July, 2016. Széchenyi Park, Balatonkenese. Dávid Roland Band.