Grateful Dead - U.S. Blues (Live at Cameron Indoor Stadium, Duke, 4/12/78) (Official Audio)
Why the open web links it
A live performance of 'U.S. Blues' by the Grateful Dead, recorded at a landmark 1978 concert.
Linked by 5 independent sites, 2 of them widely read in the 2026-10 crawl of the open web, including csis.org, elusivedisc.com, relix.com, gratefulweb.com, zhuchangsile.xyz.