On June 8, 2009, Umphrey's McGee performed a mini set and the National Anthem at U.S. Cellular Field in Chicago, marking a notable moment for the band as they played in front of a large audience during a Chicago White Sox game. Leading up to this event, Umphrey's McGee had released their album "Mantis" in 2009, just months prior to the performance. "Mantis" showcased the band’s progressive rock style and highlighted their dynamic songwriting and improvisational capabilities. This performance at a major sporting event indicated the band’s growing popularity and their ability to reach a broader audience. Additionally, their involvement in such a high-profile venue emphasized their connection to the Chicago music scene, where they originally formed and flourished. This live recording serves as a snapshot of Umphrey's McGee's career at a time of increasing recognition and artistic development.