In late May 1973, Crosby, Stills, Nash, & Young went on vacation in Hawaii to record an album tentatively named Human Highway.
"[2] Nash, in his memoir Wild Tales, recalled that "some business, some cocaine thing, went down, and suddenly we weren't talking to each other.
"[2] The band later gathered at Young's Broken Arrow Ranch in Redwood City, California, to record more new material, including Neil Young's "Human Highway", Stephen Stills' "See the Changes", Graham Nash's "And So It Goes", "Wind on the Water", and "Prison Song", and David Crosby's "Carry Me" and "Time After Time".
[4][2] On October 4 1973, Crosby, Stills, Nash & Young performed an acoustic set at a Manassas concert at San Francisco's Winterland Ballroom.
[5] Human Highway, As I Come of Age, and Prison Song would be performed again three days later, after Crosby, Stills & Nash (Without Neil Young) performed another acoustic set after a Manassas concert at San Francisco's Winterland Ballroom.
[6] In the summer of 1974, Crosby, Stills, Nash & Young embarked on a reunion tour that saw the debut of many unreleased songs, including My Angel, Carry Me, Traces, Love Art Blues, Myth of Sisyphus, Time After Time, Goodbye Dick, Hawaiian Sunrise, and Fieldworker.
[2] After the tour ended, the band gathered in December 1974 at Nash's basement studio in San Francisco to continue the album.
[1][2] The group later regrouped at the Record Plant, where they worked on Crosby's "Homeward Through the Haze," which ended when Young abandoned the sessions without explanation.
Nash would later say (in relation to the song Guardian Angel) "The thing was, musically, to fit a major progression through a minor chord is...
"[1] In 1976, Neil Young and Stephen Stills, during the sessions that led to the album Long May You Run, invited Graham Nash and David Crosby to Florida to add their vocals onto their tracks.
We're gonna start a Crosby, Stills, and Nash record,'" Vitale told me.
Nash and Crosby, however, eventually headed back to Los Angeles to finish Whistling Down the Wire.
[7] Young's 1977 compilation Decade included a version of "Long May You Run" with the supposedly erased Crosby and Nash harmonies.
)[7] A version of "Pushed It Over the End", with Crosby and Nash adding new vocals to a 1974 live take, was planned for Decade but was removed at the last minute.
[7] Neil Young Archives Volume II: 1972–1976 contained numerous Crosby and Nash recordings from 1976 that were previously assumed to have been erased, including "Midnight on the Bay", "Ocean Girl", and two different takes of "Human Highway.
"[7] In interviews, Graham Nash has been quoted as saying Human Highway's definitive track list was already decided upon and that there would have been ten songs on the record.
[1] On X, David Crosby was asked "Given the chance, would you resurrect Human Highway a la recent Pet Sounds box?"
Crosby's response was "Doubt I'd get that chance"[8] The band have spoken highly of Human Highway in the years since its abandonment.
"[7] "It's the Smile of the seventies," David Browne said, in reference to the infamous The Beach Boys' unfinished album.
"[2] Upon the release of Neil Young Archives Volume II, Crosby endorsed the idea of reconstructing Human Highway on X, saying it "Would have been very good".
[9] Stills shared black and white photos on Twitter and Instagram of the band at Young's ranch in 1973.
[7] Source:[1][2][7] Numerous songs believed to have been intended for Human Highway were later re-recorded by the individual members.