On December 31, 2007, Umphrey's McGee performed at the Aragon Ballroom in Chicago, a significant venue for the band and a highlight in their live performance calendar. This recording captures a unique improvisational electronic jam featuring Joel on the house pipe organ, showcasing the band's experimental tendencies during live shows. Prior to this recording, Umphrey's McGee released their album "Safety in Numbers" in 2006, which marked a turning point in their sound and broadened their appeal within the jam band scene. Following this performance, they continued to build their catalog with "The Bottom Half," released in 2008. The band's commitment to live improvisation and exploration is evident in this recording, reflecting their evolving artistry and the deep connection they foster with their audience in live settings.