Here's the first single off the upcoming UGK album U.G.K. Underground Kingz., which drops on December 19 and features 20 songs.

UGK "Stop-N-Go"
(WMV Stream / Real Stream)
Produced by Jazze Pha

Check out Monday's blog post "UGK enlist Kane, Kool G Rap, Jazze Pha and Swizz Beatz for new double album" for more info on the upcoming album. If you want to get familiar with their older material, check out Prefix's "Album of the Day" (Ridin' Dirty by UGK) blog post from that same day.
Preliminary Tracklist* (via:Cocaine Blunts)

1. International Players Anthem f/ Three 6 Mafia (prod.: Three 6 Mafia)
2. Bitch You Know You Like That (prod. by Lil''' Jon)
3. Trill Niggas Don'''t Die f/ Z-Ro (prod. by John Bido/Fingas/Joe Traxx)
4. Life Is f/ Too Short (prod. by Scarface)
5. In The Past f/ Charlie Wilson (prod. by Pimp C)
6. The Sequel f/ Ron Isley (prod. by Mannie Fresh)
7. Cocaine f/ Rick Ross (prod. by Pimp C/Blackout)
8. The Game Belongs To Me(prod. by Pimp C/Avery Harris)
9. Bring Tha Hood Back f/ Slim Thug & Mddl Fngz (prod. by The Runners)
10. Shattered Dreams f/ Sleepy Brown (prod. by Pimp C)
11. 2 Kinds of Bitches f/ Dizzee Rascal (prod. by MoMo)
12. Stop N Go (prod. by Jazze Pha)
13. Back on the Slab (prod. by Jazze Pha)
14. Hit The Block (prod. by Swizz Beats)
15. Still Ridin''' Dirty (prod. by Scarface)
16. Everybody Wanna Ball (prod. by Pimp C/NO Joe)
17. Quit Hatin''' f/ Willie D (prod. by Pimp C)
18. Real Woman f/ Talib Kweli
19. Chrome Plated Woman (prod. by Pimp C)
20. Untitled f/ Kool G Rap & Big Daddy Kane (prod. by Marley Marl)
21. Candy (prod. by Scarface)
22. Heaven (prod. by Pimp C)
23. Live This Life (prod. by NO Joe)
24. Underground Kingz (prod. by Pimp C)

*Keep in mind that this is not the final tracklist. 24 tracks are listed here, but 20 tracks are suppose to be on the album.