Steely Dan, the enigmatic rock band founded by Donald Fagen and Walter Becker in 1972, has left a profound impact on the music landscape with their intricate musicianship and sophisticated songwriting. While numerous Steely Dan classics have made their way into the annals of rock history, some tantalizing pieces of their work remained buried as either lost tracks or unreleased gems. Here’s are the five best lost and unreleased Steely Dan songs:

1.”The Second Arrangement”

Touted as one of Steely Dan’s great lost tracks, “The Second Arrangement” was intended for the “Gaucho” album but due to a tape operator’s error which erased most of the track, it never saw an official release. Bootleg snippets suggest it carries all the hallmarks of later-era Steely Dan: jazz-inflected melodies, sophisticated harmonies, and wistful lyrics.

2.”Dallas”

Released as a single in 1972 before being quickly withdrawn, “Dallas” became a Steely Dan curiosity largely pursued by collectors. This country-tinged track offers a glimpse into an early incarnation of the band that fans seldom hear amid the polish of their later albums.

3.”Were You Blind That Day (Third World Man)”

Initially titled “Were You Blind That Day,” this song took on a new life when it was repurposed as “Third World Man,” a track found on “Gaucho.” The original version featured different lyrics and was more stripped down, leaving fans to wonder about what might have been if this earlier iteration had made it onto an album.

4.”Slang of Ages”

“Slang of Ages,” which ended up on “Everything Must Go” (2003), actually began as a track from an unreleased late-90s project called “Two Against Nature.” The earlier version of this song remains unheard by the public but is said to feature a different arrangement and could showcase another evolution in Fagen and Becker’s collaborative story.

5.”Kulee Baba”

Speculated to be from sessions for either “Gaucho” or their comeback album “Two Against Nature,” little is known about the mysterious “Kulee Baba.” According to various fan accounts and insider info, this song exists but has remained under wraps for decades, adding to Steely Dan’s mythology.

While only fragments or stories exist for some of these tracks, each represents an enigmatic piece of Steely Dan’s storied career—echoes from music archives that encapsulate both their perfectionism and propensity for leaving fans longing for more.