Ludacris and Soulja Boy Tell 'Em [ tickets ] will play a free "afterparty" show Dec. 6 at the Tabernacle in Atlanta, following the 2008 SEC Football Championship, according to a press release.

Tickets for the AT&T-hosted show can be won by texting ATTLUDA to 66937*. Mobile tickets will be sent to winners by Dec. 3. The first 1,000 fans in line the day of the show with a mobile ticket will be admitted.

Following the show, AT&T will feature concert footage through Cellular Video, only available on compatible phones in 3G coverage areas. The company also will carry exclusive ringtones from the artists' new albums.

Ludacris is expected to perform his hits as well as music from his new album, "Theater of the Mind," which was released Nov. 24. Soulja Boy's upcoming album, "SouljaBoyTellem," will be released Dec. 16.