On March 11, 2006, Umphrey’s McGee performed the song "40's Theme" during their set at the Revolution in Fort Lauderdale, Florida, as part of the Langerado Music Festival. At this time, the band was experiencing a period of increasing popularity and had recently released their album "Safety in Numbers" in 2006. This studio album was notable for showcasing their diverse musical style, blending progressive rock, jazz, and funk, which was well-received by both fans and critics alike. The live recording captures the band's improvisational prowess and energetic stage presence, hallmarks of their performances. Notably, "40's Theme" has become a fan favorite, often featuring extended jams and a unique combination of musical elements. During this period, Umphrey’s McGee solidified their reputation for engaging live shows, helping to pave the way for their continued success in the jam band scene.