Yes, although as of April 2009, there have been over 40 different manifestations. Paul M. Sammon gives an exhaustive overview of the various albums in Appendix E of Future Noir (419-425 - 1st edition; 525-531 & 572-576 - 2nd edition), and whilst there is little point in reproducing his research in specific detail, a brief history of the soundtrack may prove interesting.
In June 1982, just weeks before the film was to be released, an album began circulating in LA entitled Blade Runner: Original Motion Picture Soundtrack. Running 60 minutes, this was a bootleg, with no company listed anywhere on the packaging or inlay card. At the time, the common wisdom was that an unknown disgruntled sound engineer working on the film recorded a dupe of the soundtrack prior to the final mix, and made up copies. With rumors spreading that Vangelis' score may never be released, the bootleg sold in great numbers despite having poor sound quality. It has since gone on to be a rare collector's item.
Three weeks after the bootleg was released, Warner Brothers Records Inc. released an album entitled Blade Runner: Orchestral Adaptation of Music Composed for the Motion Picture by Vangelis. This is not the actual movie soundtrack, rather it is an orchestral arrangement of the soundtrack performed by the New American Orchestra. Running only 33 minutes, the album received extremely poor reviews upon its release, with Warner Brothers Records taking a lot of criticism for basically duping people into believing it was the official soundtrack. Additionally, reviews stated that the sound quality was extremely poor, and the actual performances of the music dull and heartless. According to Paul Sammon, "This dismal, homogenized, rushed-into-production anomaly can only be recommended as Muzak for androids" (420 - 1st edition; 526 - 2nd edition). This album is still readily available today. The track listing is as follows: (1) 'Love Theme', (2) 'Main Title' (3) 'One More Kiss, Dear', (4) 'Memories Of Green', (5) 'End Title', (6) 'Blade Runner Blues', (7) 'Farewell', (8) 'End Title Reprise'/
In September 1989, Vangelis released an album entitled Vangelis: Themes. Essentially a collection of samples of his soundtrack work over the last few years, the album contained the following music from Blade Runner: 'End Titles', 'Love Theme', and 'Memories of Green'.
Incidentally, "Memories of Green" had originally been released on the 1980 album See You Later, with Ridley Scott using the orchestrated version in the film. The Japanese vocals associated with the Blimp Advertisement were taken from the 1976 album Japan: Traditional Vocal And Instrumental Music. The specific track is called 'Ogi no Mato' (The Folding Fan as a Target) and is performed by Ensemble Nipponia. 'Ogi no Mato' is part of a song cycle/epic somewhat reminiscent of Shakespeare's Romeo and Juliet and the William Tell legend (as 'Ogi no Mato' features young people from opposing clans and a crucial moment of archery). Reportedly, the lyrics tell of the tragic and utter destruction of one Japanese clan by another. The music is produced with a Biwa - a traditional Japanese instrument.
In December 1993, a second bootleg album was released, this time by Off World Music Ltd, under the name Original Motion Picture Soundtrack: Blade Runner. Running 73 minutes, according to Sammon, this album has much better sound quality and is more extensive than the 1994 official soundtrack.
In July 1994, Warner Music released the official Blade Runner soundtrack, entitled Blade Runner: Vangelis. Running 56 minutes, Vangelis' notes accompanying the album say:"Most of the music contained in this album originates from recordings I made in London in 1982, whilst working on the score for the film Blade Runner. Finding myself unable to release these recordings at the time, it is with great pleasure that I am able to do so now. Some of the pieces contained will be known to you from the Original Soundtrack of the film, whilst others are appearing here for the first time. Looking back at Ridley Scott's powerful and evocative pictures left me as stimulated as before, and made the recompiling of this music, today, an enjoyable experience." The track listing is as follows: (1) 'Main Titles', (2) 'Blush Response', (3) 'Wait for Me' (4) 'Rachel's Song', (5) 'Love Theme', (6) 'One More Kiss, Dear', (7) 'Blade Runner Blues', (8) 'Memories of Green', (9) 'Tales of the Future', (10) 'Damask Rose', (11) 'Blade Runner (End Titles) ', and (12) 'Tears in Rain'.
In 1995, a third bootleg CD went on the market, this time from Gongo Music. According to Sammon, like the 1993 Off-World Music CD, the Gongo Music album has excellent sound and a comprehensive track listing. Note that the liner notes and track titles are written in Romanian.
Between 1996 and 2007, at least 28 distinct bootleg versions of the soundtrack were released. Of this plethora of albums (which is summarized in the 2nd edition of Future Noir, 573-576), it is perhaps worth noting the following versions:
1. Blade Runner: Special Edition, Deck Music, 1999. According to Sammon, this Japanese album has some of the best sound quality of all the bootlegs, and also features some cues not featured on any other album (including the 1994 official soundtrack). Only 100 copies were pressed however, making it ultra rare.
2. Blade Runner: Definitive Edition, Off-World Music, 2000. A 3-CD set with good sound quality, it features every single piece of music from the film.
3. Blade Runner: Deck Definitive Edition, Deck Art, 2001. A Japanese release, this is worth noting as it features an ultra rare alternate remix of 'Tears in Rain', composed by John Williams.
4. Blade Runner: Esper Edition, Esper Productions, 2002. Sammon says that this bootleg also has exceptionally good sound quality, and is extensive in its coverage of the music. According to Sammon, either this or the Special Edition by Deck Music are the best available bootlegs.
5. Blade Runner: Los Angeles, November 2019, Esper Productions, 2003. Features a combination of music from the film and the 1997 Westwood game.
6. Blade Runner, Cliffhanger and Radio Plays, No Company, 2003. The strangest of all the bootlegs, this CD features 13 cues from Blade Runner, the opening theme from Cliffhanger (which was scored by Trevor Jones), and 2 radio plays that bear absolutely no relationship whatsoever to the film or the music!
7. Blade Runner: Esper Edition MK III, No Company, 2005. Nothing to do with the original Esper Edition, this CD is worth noting simply because it is a 4-CD set. Sammon however, says the sound quality is poor, and there is nothing on any of the CDs that cant be found elsewhere.
In December 2007, in conjunction with the 25th anniversary of the film and the DVD release of Ridley Scotts definitive 'Final Cut', Vangelis released a 3-CD album called Blade Runner Trilogy: 25th Anniversary. The track listing is as follows:
Disc 1 [this is the same as the 1994 Official Blade Runner Soundtrack]:(1) 'Main Titles', (2) 'Blush Response', (3) 'Wait for Me', (4) 'Rachel's Song', (5) 'Love Theme', (6) 'One More Kiss, Dear', (7) 'Blade Runner Blues', (8) 'Memories of Green', (9) 'Tales of the Future', (10) 'Damask Rose', (11) 'Blade Runner (End Titles) ', and (12) 'Tears in Rain'. Disc 2 [contains previously unreleased cues and samples from the Workprint]: (1) 'Longing', (2) 'Unveiled Twinkling Space', (3) 'Dr. Tyrell's Owl', (4) 'At Mr. Chew's', (5) 'Leo's Room', (6) 'One Alone', (7) 'Deckard and Roy's Duel', (8) 'Dr. Tyrell's Death', (9) 'Desolation Path', (10) 'Empty Streets', (11) 'Mechanical Dolls', and (12) 'Fading Away' (3:32) Disc 3 [contains spoken word tracks from filmmakers, critics, musicians and public figures talking about the film]: (1) 'Launch Approval', (2) 'Up and Running' (3) 'Mail From India', (4) 'BR Downtown' (2:27 - Oliver Stone, Akiko Ebi, Cherry Vanilla), (5) 'Dimitri's Bar', (6) 'Sweet Solitude', (7) 'No Expectation Boulevard', (8) 'Vadavarot', (9) 'Perfume Exotico', (10) 'Spotkanie Z Matka', (11) 'Piano in an Empty Room', and (12) 'Keep Asking'.