Matador Records is celebrating 21 years of being in business in October with a get together titled Matador at Twenty One, in Las Vegas, promising to be a lost weekend of Matador past and present.

They've just announced the final lineup, and have added Liz Phair, Times New Viking, Esben and the Witch, Perfume Genius, The Clean, MC’s Jeff Jensen, Bob Nastanovich, Tom Scharpling & Jon Wurster, and a late Friday evening presentation by Austin’s Karaoke Underground to the bill. Check out the complete lineup.

VIP tickets are completely sold out, but Matador will be placing 50 pairs of tickets on sale sometime this week, for $250 a pair.

check out the Spacelab Festival Guide for more information on Matador at Twenty One.