In July 2009, Umphrey's McGee was experiencing a significant period in their career, highlighted by the peak of their experimental rock and progressive jam sound. Before the live recording at the Forecastle Festival, they released their fifth studio album, "Mantis," in 2009, which showcased their evolving musicianship and intricate compositions. The release marked a shift towards more progressive elements, demonstrating their versatility as a band. Notably, their live performances during this period were characterized by dynamic improvisation and a blend of genres, which can be seen in the "Syncopated Strangers Pt II" performance. The band has gained a reputation for their engaging live shows, and this recording encapsulates their ability to captivate an audience with both technical proficiency and improvisational flair, further solidifying their standing within the jam band scene.