Tracks with album unknown:

Rubin Steiner - Your Life is Like a Tony Conrad Concert (Accapela)
Herb Alpert - Spanish Flea
Herb Alpert & The Tijuana Brass - Popcorn
Hot Butter - Popcorn
Ratatat - Live @ Emo's 4.6.07
Ratatat - Live on KEXP
Metric - Combat Baby
Metric - Siamese Cities
Metric - Soft Rock Star
Ely Kotero - Sexy Love Banana

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Albums with (potentially) missing tracks:
(tracks I own in square brackets)

Sigur Rs - 2005-07-13: Amsterdam, The Netherlands (disc 2) [4]
9 Lazy 9 - ZEN CD/LP - A Ninja Tune Retrospective [8]
Sigur Rs - Von Brigi [4,7,9]
Le Tigre - Le Tigre [1,2]
Sigur Rs - Hlemmur [1]

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Complete albums:

The Divine Comedy - Absent Friends
Add N to (X) - Add Insult to Injury
Tokyo Jihen - Adult
Sigur Rs - gtis Byrjun
Mouse on Mars - Agit Itter It It
Stereolab - Aluminum Tunes: Switched On, Vol. 3 Disc 1
Stereolab - Aluminum Tunes: Switched On, Vol. 3 Disc 2
Brian Eno - Another Green World
The Velvet Underground - April 1966 Scepter Studios (Norman Dolph Acetate)
2 Many DJ's - As Heard on Radio Soulwax
Kraftwerk - Autobahn (2004 Remaster)
Mouse on Mars - Autoditacker
Add N to (X) - Avant Hard
Black Rebel Motorcycle Club - B.R.M.C.
Sigur Rs - Ba Ba Ti Ki Di Do
Sigur Rs - Ba Ba Ti Ki Di Do
Sigur Rs - Ba Ba Ti Ki Di Do
Black Rebel Motorcycle Club - Baby 81
Nouvelle Vague - Bande A Part
be your own PET - be your own PET
Fantastic Plastic Machine - Beautiful
Tori Amos - Boys for Pele
Boards Of Canada - The Campfire Headphase
Can - Cannibalism 1
Can - Cannibalism 2
The Divine Comedy - Casanova
Wire - Chairs Missing
Aphex Twin - Classics
Ratatat - Classics
Mogwai - Come On Die Young
Aphex Twin - Come To Daddy EP
Kraftwerk - Computer World (2004 Remaster)
data Panik - data Panik
The Knife - Deep Cuts
DEVO - Devo Live
They Might Be Giants - Dial-A-Song: 20 Years of They Might Be Giants (Disc 1)
They Might Be Giants - Dial-A-Song: 20 Years of They Might Be Giants (Disc 2)
Aphex Twin - Donkey Rhubarb
Aphex Twin - Drukqs [Disc 1]
Aphex Twin - Drukqs [Disc 2]
Aphex Twin - Drukqs 2 Track Promo
Rubin Steiner - Drum Major!
DEVO - Duty Now For The Future
9 Lazy 9 - Electric Lazyland
POLYSICS - Electric Surfin' Go Go
Stereolab - Emperor Tomato Ketchup
bis - The End Starts Today
XTC - English Settlement
DEVO - EZ Listening Disc
Cornelius - Fantasma
Fantastic Plastic Machine - The Fantastic Plastic Machine
Faust - Faust and So Far
Faust - Faust IV
Faust - The Faust Tapes
Mogwai - Fear Satan Remixes EP
Semisonic - Feeling Strangely Fine
Le Tigre - Feminist Sweepstakes
Architecture in Helsinki - Fingers Crossed
They Might Be Giants - Flood
Fantastic Plastic Machine - FPMB -Fantastic Plastic Machine Best- CD1
Fantastic Plastic Machine - FPMB -Fantastic Plastic Machine Best- CD2
DEVO - Freedom of Choice
Tori Amos - From the Choirgirl Hotel
Boards of Canada - Geogaddi
Mouse on Mars - Glam
Mogwai - Government Commissions (BBC Sessions 1996-2003)
Rubin Steiner - Guitarlandia Remixed By Ninja Tune & French Friends
Mogwai - Happy Songs For Happy People
Final Fantasy - Has a Good Home
Final Fantasy - He Poos Clouds
DEVO - Hot Potatoes: The Best of Devo
The Beta Band - Hot Shots II
Aphex Twin - ...I care because you do
Mouse on Mars - Iaora Tahiti
Mouse on Mars - Idiology
Bit Shifter - Information Clause
Mouse on Mars - Instrumentals
They Might Be Giants - John Henry
Mogwai - John Peel Session
POLYSICS - John Peel Session
POLYSICS - KARATE HOUSE
Various - Katamari Damacy Soundtrack
Mr. Scruff - Keep It Unreal
Mogwai - Kicking A Dead Pig (Remixes) (Disc 1)
The Knife - The Knife
Komeda - Kokomemedada
Philip Glass - Koyaanisqatsi
Spiritualized - Ladies And Gentleman We Are Floating In Space
The Breeders - Last Splash
Lemon Jelly - Lemonjelly.ky
Spiritualized - Let It Come Down
Tori Amos - Little Earthquakes
Aphex Twin - Live - All Tomorrows Parties
Aphex Twin - Live - Big Day Out
Aphex Twin - Live - Denver 97
Aphex Twin - Live - Hallam University
Aphex Twin - Live - Nasa Circa
Aphex Twin - Live - Rosskilde Festival
Rubin Steiner - Lo-Fi Nu Jazz
Rubin Steiner - Lo-Fi Nu Jazz Vol 2
Rubin Steiner - Lo-Fi Nu Jazz Vol 2 Remixes
The Velvet Underground - Loaded (Disc 1)
The Velvet Underground - Loaded (Disc 1)
Lemon Jelly - Lost Horizons
!!! - Louden Up Now
!!! - Louden Up Now - Bonus Disc
My Bloody Valentine - Loveless
Fantastic Plastic Machine - Luxury
Fantastic Plastic Machine - Luxury Remixes EU
Fantastic Plastic Machine - Luxury Remixes US
Kraftwerk - The Man Machine (2004 Remaster)
Stereolab - Mars Audiac Quintet
Aphex Twin - Melodies From Mars
Ryksopp - Melody A.M.
Orbital - The Middle of Nowhere
Kraftwerk - The Mix (2004 Remaster)
Mogwai - Mogwai EP
AIR - Moon Safari
bis - Music for a Stranger World
Boards of Canada - Music Has The Right To Children
Mogwai - My Father, My King
Sigur Rs - N Batter
Neu! - Neu!
Neu! - Neu! '75
Neu! - Neu! 2
DEVO - New Traditionalists
Mouse on Mars - Niun Niggung
Nouvelle Vague - Nouvelle Vague
POLYSICS - Now Is The Time!
DEVO - Oh, No! It's Devo!
Aphex Twin - On II
Aphex Twin - On Remixes
65daysofstatic - One Time For All Time
Orbital - Orbital
Orbital - Orbital 2
Stereolab - Oscillons From The Anti-Sun (1)
Stereolab - Oscillons From The Anti-Sun (2)
Stereolab - Oscillons From The Anti-Sun (3)
Rubin Steiner - OuMuPo3
The Amps - Pacer
9 Lazy 9 - Paradise Blown (Reissue)
Apex Twin - Peel Sessions
Wire - Pink Flag
DEVO - Pioneers Who Got Scalped: The Anthology [Disc 1]
DEVO - Pioneers Who Got Scalped: The Anthology [Disc 2]
AIR - Pocket Symphony
Cornelius - Point
POLYSICS - POLYSICS OR DIE!!!
Anamanaguchi - Power Supply
Various - The Powerpuff Girls: Heroes & Villains
AIR - Premiers Symptomes
The Divine Comedy - Promenade
The Avalances - Promo
DEVO - Q: Are We Not Men? A: We Are Devo!
Kraftwerk - Radio-Activity (2004 Remaster)
Ratatat - Ratatat
bis - Return to Central
Aphex Twin - Richard D James (Bonus)
Aphex Twin - Richard D James Album
Mogwai - Rock Action (Japan +2)
Mouse on Mars - Rost Pocks The/EP/Collection
The Divine Comedy - A Secret History - The Best Of The Divine Comedy
Aphex Twin - Selected Ambient Works 85-92
Aphex Twin - Selected Ambient Works Volume II (disc 1)
Aphex Twin - Selected Ambient Works Volume II (disc 2)
Cornelius - Sensuous
Stereolab - Serene Velocity - A Stereolab Anthology
The Divine Comedy - A Short Album About Love
The Knife - Silent Shout
The Avalanches - Since I Left You
XTC - Skylarking
bis - Social Dancing
Tori Amos - Strange Little Girls
9 Lazy 9 - Sweet Jones
Black Rebel Motorcycle Club - Take Them On, On Your Own
Sigur Rs - Takk
Tori Amos - Tales of a Librarian
Kraftwerk - Techno Pop
Mogwai - Ten Rapid
bis - This Is Teen-C Power!
Le Tigre - This Island
The Beta Band - Three EPs
Dave Brubeck Quartet - Time Further Out
Dave Brubeck Quartet - Time Out
Kraftwerk - Tour de France Soundtracks (2004 Remaster)
Kraftwerk - Trans Europe Express (2004 Remaster)
Stereolab - Transient Random-Noise Bursts With Announcements
Von Sdenfed - Tromatic Reflexxions
Mr. Scruff - Trouser Jazz
Boards of Canada - Twoism
Tori Amos - Under the Pink
Camera Obscura - Underachievers Please Try Harder
Ryksopp - The Understanding
Manitoba - Up in Flames
Chimera - Valley of the Spirits
Mouse on Mars - Vacharz
The Velvet Underground - The Velvet Underground
The Velvet Underground - The Velvet Underground & Nico
The Velvet Underground - The Velvet Underground Live With Lou Reed 1969 Volume 2
Aphex Twin - Ventolin
Aphex Twin - Ventolin (The Remixes)
Sigur Rs - Von
The Velvet Underground - Vu
Komeda - What Makes It Go?
Herb Alpert & The Tijuana Brass - Whipped Cream & Other Delights (40th Anniversary Edition)
The Velvet Underground - White Light/White Heat
Aphex Twin - Windowlicker
Aphex Twin - Words & Music
Rubin Steiner - Wunderbar Drei
The Flaming Lips - Yoshimi Battles The Pink Robots
Mogwai - Young Team
Zongamin - Zongamin
Leo Kottke - 6- and 12-String Guitar
Ratatat - 9 Beats
Aphex Twin - 51/13 Singles Collection
The Velvet Underground - 1969 - The Velvet Underground Live - Volume 1
The Velvet Underground - 1969 - The Velvet Underground Live - Volume 2
Sigur Rs - ()