Found this over here:

Slacker Radio and HullabaLOU have released the official festival application for the iPhone, iPod touch and iPad. The app includes a number of features that leverage the iPhone to make for a richer and easier HullabaLOU experience.

The app includes:

- HullabaLOU Radio, powered by Slacker – This station plays artists from this year’s line-up and if you like what you are listening to you can add the band directly to your schedule
- Interactive map of the event grounds – “flick” to look around the show grounds at Churchill Downs in Louisville and touch a stage name to view a schedule for that stage
- Schedule Management – Browse who is currently playing or the line up by day and add them to your schedule for easy time management
- Social Media Integration – an integrated camera and twitter/facebook client allow you to post concert images, posts and tweets from with-in the app

The app is available for free at the Apple iTunes http://bit.ly/d7vTQW

The festival line up looks like this:

Lineup

Friday, July 23

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Bon Jovi

Dierks Bentley • Gladys Knight • Doobie Brothers

Train • Colbie Caillat • Blood, Sweat & Tears • The O’Jays • B 52s • Gloriana • Sam Bush • Chrisette Michele •  Rick Bartlett’s Rockin’ Soul Revival • Exile • Green River Ordinance • The Travelin’ McCourys with Dan Tyminski • Hazel Miller • J.D. Shelburne • Electric Touch • Whiskey Bent Valley Boys • Cumberlands • Thumper and the Plaid Rabbits • Brushfire

Saturday, July 24

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Kenny Chesney

Jason Aldean • Huey Lewis and the News • Al Green

Sara Evans • Ben Folds • Michael McDonald • Gov’t Mule • John Kay & Steppenwolf • Joan Osborne • Musiq Soulchild • Ricky Skaggs • War • Villebillies • Ben Sollee • Brigid Kaelin • Jimmy Church • Relic • Kim Taylor • Duke Tumatoe and the Power Trio • The Tillers • BlueZenGrass with Special Guest Phil Leadbetter

Sunday, July 25

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Dave Matthews Band

Steve Miller Band • Zac Brown Band • Dwight Yoakam

Loretta Lynn • The Black Crowes • Kansas • The Avett Brothers • 38 Special • Justin Moore • Taj Mahal • Tonic • Rhonda Vincent • Stealing Angels • Terry Adams Rock and Roll Quartet • Taddy Porter • Michael Johnathon • Hog Operation • Kentucky Blue

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