25 Shots to Get Your Bonnaroo Blood Pumping

Kendrick Lamar performs onstage at Fader Fort presented by Converse during SXSW on March 16, 2012 in Austin, Texas.

Musician Jakob Dylan (L) performs onstage with lead vocalist/guitarist Brian Fallon of The Gaslight Anthem at the 23rd Annual KROQ Almost Acoustic Christmas at Gibson Amphitheatre on December 8, 2012 in Universal City, California.

Mumford & Sons perform during a joint free concert with Edward Sharpe and the Magnetic Zeroes on the University of Texas campus on March 17, 2012 the last day of the South by Southwest music festival in Austin, Texas.

Hip-Hop Vocalist Method Man (R) and RZA of the Wu-Tang Clan perform at the Paid Dues Independent Hip Hop Festival at the NOS Events Center on April 7, 2012 in San Bernardino, California.

Kevin Parker of Tame Impala performs on stage at HMV Ritz on November 1, 2012 in Manchester, United Kingdom.

Bjork performs on stage at the Hammersmith Apollo on April 20, 2008.

Megan James of Purity Ring performs at Stereo on November 27, 2012 in Glasgow, Scotland.

Pretty Lights performs during the Sasquatch Music Festival at the Gorge Amphitheater on May 25, 2012 in George, Washington.

Ben Haggerty aka Macklemore performs live at Nova's Red Room at The Cullen Hotel on February 13, 2013 in Melbourne, Australia.

Paul McCartney performs during the 51st Annual Grammy Awards held at the Staples Center on February 8, 2009 in Los Angeles, California.

R Kelly performs on stage at Hammersmith Apollo on April 22, 2011 in London, United Kingdom.

Musicians Matt Johnson (R) and Kim Schifino of the band Matt and Kim perform onstage during the 2012 Catalpa Festival at Randall's Island on July 29, 2012 in New York City.

Michael Angelakos of Passion Pit performs in concert at day one of Fun Fun Fun Fest at Auditorium Shores on November 4, 2011 in Austin, Texas.

ASAP Rocky performs at Roseland Ballroom on September 27th, 2012 in New York City.

Grizzly Bear perform during Fuse Music Week, live from Radio City Music Hall in New York City.

DJ Porter Robinson performs onstage at Music Showcase during the 2012 SXSW Music, Film + Interactive Festival at The Main on March 15, 2012 in Austin, Texas.

Peter Adams and John Baizley of Baroness perform on stage at the Corporation on August 13, 2012 in Sheffield, United Kingdom.

NAS performs on Day 2 of Rock The Bells Music Festival at NOS Events Center on August 19, 2012 in San Bernardino, California.

DJ Alain Macklovitch, aka A-Trak, performs during Electric Zoo 2012 at Randall's Island on August 31, 2012 in New York City.

Romy Madley Croft, Jamie Smith and Oliver Sim from The xx Perform at Le Cirque d'Hiver on September 6, 2012 in Paris, France.

Jeff Ratner, Langhorne Slim, Malachi DeLorenzo and David Moore of Langhorne Slim perform on stage at O2 Shepherd's Bush Empire on February 20, 2013 in London, England.

Victoria Legrand of Beach House performs onstage at Radio City Music Hall on September 15, 2010 in New York City.

Taylor Rice of Local Natives performs on stage at Scala on February 14, 2013 in London, England.

David Byrne and St. Vincent perform during the 2012 Lacoste L!ve Concert Series at the Williamsburg Waterfront on September 29, 2012 in New York City.

Alana, Danielle and Este Haim of HAIM perform on stage at the Blue Shell on November 06, 2012 in Cologne, Germany.