What a Long Strange Trip It's Been, subtitled The Best of the Grateful Dead, is a compilation album by the Grateful Dead. Initially, it was a two-record LP released September 1, 1977 by Warner Bros. Records. Even though the band left Warner Bros. after their contract was up in order to form their own label, Grateful Dead Records, Warner Bros. continued to release older material from during the contract period.
It marked the first album release of the studio version of "Dark Star," as well as the alternate single mix of its b-side "Born Cross-Eyed."
The title of the compilation comes from the lyrics of one of Robert Hunter's most famous songs, the line from "Truckin'": Lately it occurs to me: What a long, strange trip it's been.