Q: Context: Covered by numerous artists in various genres, "All Along the Watchtower" is strongly identified with the interpretation Jimi Hendrix recorded for Electric Ladyland with the Jimi Hendrix Experience. The Hendrix version, released six months after Dylan's original recording, became a Top 20 single in 1968 and was ranked 47th in Rolling Stone magazine's 500 Greatest Songs of All Time.

Question: when did jimi hendrix cover all along the watchtower?
Let's give stream of consciousness below
The relevant sentence in the passage is: The Hendrix version, released six months after Dylan's original recording, became a Top 20 single in 1968 and was ranked 47th in Rolling Stone magazine's 500 Greatest Songs of All Time. So the answer is 1968.