Photo by Kirstie ShanleyThat one band Radiohead has been trickling out 2009 dates for a minute now, at roughly the rate of one new confirmation per week. Today the number of official gigs rose to three, which seems a magic enough quantity to warrant a news story and a few lame jokes on the matter, no?So there you have it: Radiohead, rather good band, will make their way to Mexico and South America in March of 2009. The three confirmed dates right now include two in Mexico City and one in Santiago, Chile (their first performance in the country), with engagements in Argentina and Brazil planned but not yet finalized. At Ease points us to another fansite report that suggests a third Mexico City date (March 17) may arise as well.In other news, Radiohead members Ed O'Brien and Phil Selway are due to turn up on Neil Finn's new record, while Thom Yorke can be heard on Björk's good cause-boosting "Náttúra" single, out now.Oh right, lame joke. Uh, here's a good one.read more