This song was specifically written and recorded by Imagine Dragons for the soundtrack to the 2013 Chair Entertainment and Epic Games action role-playing game Infinity Blade III. Speaking of the song, the band stated: "Chair has always been on the cutting edge of mobile gaming. Infinity Blade has been massive and we felt the song fit perfectly with the tone and visuals. We're pretty big gamers ourselves, so we couldn't be more excited." The song was released as a single in the United States on September 19, 2013.
Mike Campbell from Tom Petty & the Heartbreakers played the slide guitar on "Sixth Avenue Heartache." There is a connection here - Wallflowers lead singer Jakob's dad, Bob Dylan, played with Tom Petty in The Traveling Wilburys.
"Pink Cadillac" was a B-side for Bruce Springsteen in 1984, but after Aretha Franklin sang about pink Cadillacs on "Freeway Of Love" the following year, Natalie Cole covered the song and had a hit with it in 1988.