On December 31, 2009, Umphrey’s McGee was in an exciting phase of their career, having recently released their album "Mantis" earlier that year (on February 10, 2009). This album showcased their evolution into a more experimental sound, incorporating elements of progressive rock and electronic music. The live performance at the Aragon Ballroom in Chicago on New Year's Eve was part of their annual tradition of hosting a festive event, which not only celebrated the new year but also highlighted the band's strong connection with their fanbase through high-energy performances. The show featured intricate improvisations and the band’s signature blend of genres, making it a memorable event. Furthermore, the recording emphasizes the band’s commitment to live music, as they are well-known for their improvisational style and often release live recordings, allowing fans to experience the unique atmosphere of their concerts.