Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).

Gaslight Anthem Rock The Ed Sullivan Theater For Live On Letterman

Gaslight Anthem perform during an exclusive Live On Letterman webcast from the Ed Sullivan Theater in New York City, NY on June 27, 2012 (Photo: E.J. Judge/CBS Digital).