Here's all the latest dirt:Friday, August 8th:* Radiohead* Underworld* The New Pornographers* Spearhead* The Go! Team* Girl Talk* CSS* Forro In The Dark* Juana Molina* Little Brother* Andrew Bird* Mates Of State* DuffySaturday, August 9th:* Radiohead* Kings Of Leon* Animal Collective* Metric* Chromeo* The Roots* The Black Angels* The Virgins* The Felice Brothers* Alberta Cross* Sia* K'Naan* Nicole Atkins* Your VegasSunday, August 10th:* Jack Johnson* Cat Power* Rodrigo Y Gabriela* Amadou & Mariam* Youssou N'Dour* The Secret Machines* Black Kids* Jason Isbell* De Novo Dahl* Grace Potter* Earl Greyhound* Rogue Wave* Neil HalsteadGet your tickets this Friday thru TM.MP3: Cat Power - The Greatest - Source