On April 12, 1978, during the performance at Duke University, Grateful Dead was well into a prolific phase in their career, having recently released their album "Terrapin Station" in November 1977. This period marked a significant evolution in their sound, incorporating more complex arrangements and polished production. "US Blues," performed as an encore during this concert, showcases the band's capacity to blend upbeat rock with lyrical depth, emblematic of their style during the late 1970s. Interestingly, this song was a part of the band's approach to engage audiences with lighthearted themes amidst more serious musical explorations. The show at Duke University was part of the tour promoting their music, further solidifying their reputation for exceptional live performances. The energy of Jerry Garcia bouncing around the stage, as captured in the video, reflects the band's dynamic stage presence that consistently drew fans.