| Eminem |
| Foo Fighters |
| Coldplay |
| Muse |
| My Morning Jacket |
| Deadmau5 |
| A Perfect Circle |
| Cee Lo Green |
| Damian ‘Jr. Gong’ Marley & Nas |
| The Cars |
| Ween |
| Bright Eyes |
| Arctic Monkeys |
| Big Audio Dynamite |
| Deftones |
| Beirut |
| Explosions in the Sky |
| Death From Above 1979 |
| Ratatat |
| Crystal Castles |
| Flogging Molly |
| Atmosphere |
| Cold War Kids |
| Lykke Li |
| Cage the Elephant |
| OK Go |
| Local Natives |
| The Kills |
| White Lies |
| Portugal.The Man |
| Two Door Cinema Club |
| Ellie Goulding |
| Delta Spirit |
| Beats Antique |
| The Mountain Goats |
| Sleigh Bells |
| Manchester Orchestra |
| Smith Westerns |
| Best Coast |
| Grace Potter & the Nocturnals |
| The Drums |
| Black Lips |
| Fitz & The Tantrums |
| The Pains of Being Pure at Heart |
| City and Colour |
| Cults |
| Ryan Bingham & The Dead Horses |
| Noah & The Whale |
| Sam Adams |
| J. Roddy Walton And The Business |
| Tinie Tempah |
| Lissie |
| Dom |
| The Vaccines |
| Foster the People |
| Titus Andronicus |
| Mayer Hawthorne & the County |
| Chico Trujillo |
| The Naked and Famous |
| Phantogram |
| Rival Schools |
| Friendly Fires |
| Dale Earnhardt Jr. Jr. |
| Reptar |
| Maps & Atlases |
| Fences |
| Tennis |
| An Horse |
| Young The Giant |
| Los Bunkers |
| Imelda May |
| Grouplove |
| Wye Oak |
| The Joy Formidable |
| Lord Huron |
| Disappears |
| Walk the Moon |
| Gold Motel |
| Iration |
| Ryan Leslie |
| TAB the Band |
| Skylar Grey |
| Christina Perri |
| Black Cards |
| The Pretty Reckless |
| Boy & Bear |
| Patrick Stump |
| Kids These Days |
| Young Man |
| The Kingston Springs |
| Lia Ices |
| The Chain Gang of 1974 |
| Ximena Sariñana |
| Typhoon |
| Electric Touch |
| Kerli |
| Ruby Jane |
| Julia Easterlin |
| DJ Mel |
| Girl Talk |
| Pretty Lights |
| KiD CuDi |
| The Bloody Beetroots Death Crew 1977 |
| Afrojack |
| Modeselektor |
| Skrillex |
| PerryEtty vs Chris Cox |
| Chuckie |
| The Glitch Mob |
| Busy P |
| Joachim Garraud |
| Super Mash Bros. |
| Jay Electronica |
| 12th Planet |
| Daedulus |
| Feed Me |
| Jackmaster |
| Collie Buddz |
| Savoy |
| Kyle Lucas & Captain Midnite |
| Ana Tijoux |
| Midnight Conspiracy |
| L1ght |
| Lady D |
WHERE: Grant Park, Chicago, Illinois
