In early 2012, when Band of Horses performed "Is There A Ghost" live on the Letterman show, they were promoting their fourth studio album, "Infinite Arms," which had been released in May 2010. This album marked a significant moment in their career as it garnered a Grammy nomination for Best Alternative Music Album and helped solidify their presence in the indie rock scene. By the time of the Letterman performance, the band was enjoying a surge in popularity, thanks in part to their previous successes and extensive touring. The performance itself showcased their signature sound, characterized by lush harmonies and rich instrumentation, reflecting their evolution as artists. Notably, "Is There A Ghost" became one of the standout tracks from "Infinite Arms," highlighting their ability to blend introspective lyrics with captivating melodies, a hallmark of their work.