SAN ANTONIO — Country superstar Blake Shelton will be performing a free pop-up show in San Antonio Saturday, Sept. 21.

The show will be held at Cowboys Dance Hall. It is based on a first come, first served basis and is for ages 21 and older.

Radio station KJ 97 is giving away tickets every hour at the top of the hour starting Wednesday at 11 a.m. through Friday. Wristbands for the show will also be given out starting at 10 a.m. on Friday at Cowboy Dance Hall.