In July 2009, when Umphrey's McGee performed at the Forecastle Festival, they were riding high on the success of their fifth studio album, "Mantis," which was released in 2009. This album showcased a significant evolution in their sound, integrating more complex structures and themes, reflective of their progressive rock influences. Notably, "Syncopated Strangers," the song featured in this performance, is recognized for its intricate time signature shifts, showcasing the band’s improvisational prowess. At this point in their career, Umphrey's McGee had solidified their reputation as a leading act in the jam band scene, known for their energetic live shows and strong fan interactions, which have become a hallmark of their performance ethos. The Forecastle Festival setting allowed them to connect with a diverse audience, further enhancing their appeal and visibility in the music community.