Grateful Dead: Dead Ahead

Dead Ahead is a concert video by the Grateful Dead. It was recorded at Radio City Music Hall in New York City on October 30 and October 31, 1980, and released in 1981. An expanded version was released in 2005. In contrast to other Dead concert videos, Dead Ahead contains acoustic as well as electric song performances.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.