Live at Austin City Limits 2012

Flea and Josh Klinghoffer of the Red Hot Chili Peppers lock into one of numerous deep grooves during their headlining performance Sunday night at the Austin City Limits Festival.

Rufus Wainwright took a break backstage Saturday at Austin City Limits Festival before hitting the Bud Light Stage in a much louder outfit.

Florence and the Machine performed Friday evening at Austin City Limits Festival.

Iggy Pop shimmies during the Stooges’ set on Sunday at the Austin City Limits Festival. Soon after, during “Shake Appeal,” Pop invited a stage full of audience members to dance and sing with him on the classic Raw Power cut.

James Mercer leads the Shins Saturday at Austin City Limits Festival.

Australian singer Gotye performed for a large, eager crowd Saturday at Austin City Limits Festival. He was joined by Kimbra for the hit "Somebody That I Used to Know."

DJ A-Trak heading into his dressing room at Austin City Limits Festival.

Lasers, a starry-night backdrop and floods of lights accompanied M83's atmospheric indie rock Friday night at Austin City Limits Festival.

Sister duo Tegan and Sara share a quiet moment before joining their band for a set Friday at Austin City Limits Festival.

Metric rock the crowd Saturday on the AMD Stage at Austin City Limits Festival. The band also played a pre-party show Friday, and singer Emily Haines did a private DJ set. 

Bassnectar peeks out from behind the secnes before his set Saturday at Austin City Limits Festival. He was one of the bigger DJs performing as part of an onslaught of electronic dance music this year.

Shins frontman James Mercer leads his bandmates in a pre-show toast before their tour-ending set Saturday night at Austin City Limits Festival.

Does any performer spend less time onstage than Alice Glass? The Crystal Castles singer was at home atop a crowd assembled in front of the Honda Stage on Sunday night at the Austin City Limits Festival.

Austin bluesman Gary Clark Jr. in a moment of calm before his set on Sunday afternoon at the Austin City Limits Festival, which saw him perform songs from his new album Blak and Blu along with classics by Jimi Hendrix and Johnny Taylor.

Along with the Avett Brothers and the Lumineers, the Civil Wars were one of the most well-received bands on Sunday at this year’s Austin City Limits Festival.

Avicii kept calm backstage before spinning close to two hours of heavy house beats for a massive crowd Friday at Austin City Limits Festival.

Making their first visit to the Austin City Limits Festival, Poliça won lots of new fans with their chilling indie pop on Sunday afternoon.

After playing a typically raucous pre-fest show late Thursday at Austin blues haunt Antone’s, Atlanta garage-rockers the Black Lips hang with Rolling Stone backstage Friday at Austin City Limits Festival.

Kimbra looked relaxed and fabulous backstage at the Austin City Limits Festival despite pulling triple duty – performing her own midday set, a late-night club show and popping in to help her pal Gotye by singing her verse from “Somebody That I Used To Know” on Sunday.

It became obvious very quickly on Sunday that the Lumineers needed a bigger stage at the Austin City Limits Festival, with thousands of fans crushing to get close and hear their folk-rock anthems like “Ho Hey.”

Dev got a large crowd jumping to club jams early Saturday afternoon at Austin City Limits Festival.

River City Extension gets a ride after helping to kick off Austin City Limits Festival on a bright, muggy Friday afternoon.

DJs like A-Trak have grown in popularity with crowds at Austin City Limits Festival, which also featured dance acts including Bassnectar and Crystal Castles this year.

Austin pop-rockers Quiet Company, led by singer Taylor Muse (center), pose backstage at Austin City Limits Festival. The band helped kick off the second day of music Saturday.

"Into The Wild" singer LP enjoys a quiet moment backstage Friday before making her debut at Austin City Limits Festival.

It's hard to make him blush. Delta Spirit lead singer and guitarist Matt Vasquez gets some good lovin' from guitarist Will McLaren Friday at Austin City Limits Festival.

They don't stay that still for long. Liverpool's Wombats in a rare moment of calm before unleashing a short but powerful set of danceable Brit-rock Friday at Austin City Limits Festival.

DJ A-Trak got a large crowd moving at Austin City Limits Festival Friday, a dance-heavy day that also included sets from Thievery Corporation and Avicii.

Dressed to turn heads backstage in the artist VIP area, Rachel Kolar of He's My Brother She's My Sister gets in line for a choice viewing spot Friday at Austin City Limits Festival.

Delta Spirit singer Matt Vasquez performs Friday at Austin City Limits Festival during a set that saw him climb up the left side support structure of the AMD Stage and dangle more than 30 feet in the air as the crowd cheered him on.

Rising star LP (real name Laura Pergolizzi) performs Friday during her Austin City Limits Festival debut.