Tacos Leo facing off against La Taquiza. Guisado’s versus El Atacor! Tacos Arizas fighting Taco Zone!! L.A.’s rawest feelings are again being unearthed by the annual “Taco Madness Tournament,” as L.A. Taco launched the first round of voting this morning in an attempt to pinpoint the top taco spot Angelenos are currently obsessed with. While we try to figure out why Ryan Seacrest has seemingly cloned the concept, name and all, on Kiis F.M., the Taco crew also reveals that its holding a jam at Guelaguetza on March 27th, at 9:00 P.M., in conjunction with Echo Park Records. Last year’s “Taco Madness” champs, MexiCali Tacos & Co., will be on hand making tacos, while Bricia Lopez will serve special mescal cocktails. Cast your votes online and peep the artwork by Philly’s hot dog devotee Hawk Krall. [L.A. Taco]