Listagem de gravações não finalizadas, composições, demos, outtakes e canções finalizadas do U2 não lançadas nos álbuns. Algumas das canções citadas são conhecidas pelo fãs, por já terem sido lançada em gravações piratas ou aparecido em áudio na internet. Outras foram lançadas oficialmente pelo U2 em edições especiais de álbuns, lançamentos exclusivos para sites de vendas online de músicas, singles. E outras apenas tiveram as versões iniciais regravadas e finalizadas com outro título para integrar os álbuns de estúdio da banda. O restante são canções que permanecem inéditas e desconhecidas.
All That You Can't Leave Behind: 1999 - 2000
Busy Bee
Love Is All Around
Good Morning
Helicopter
Once Upon A Time
Miracle Drug
Never Say Goodbye
Most Beautiful Girl
Could Have Fooled Me
Baby’s Got No Home
Higher Than Love
Flower Child
Frog Rock
If I Had You To Myself
Cowboy Miracle
Zubu House
Density Trap
Always
Bulldozer
Jubilee
Stir My Soul
Sometimes
Peru
Again
Stranded
Novelty Act
High Life House
Jam Man
Lightning To Monday
Velvet Voice
Taffy Apple
Young Blood
Yet Another
Don’t Steel My Heart
Frontier of The Skin
Sweat Of The Sun
The Discovery
Gum Tree
Big Jesus About Town
Rock My Soul
Identity Crisis
Snow Is Falling
Home (This Bird Has Flown)
Dangerous Key
Big Rock Ballad
A Dozen Roses
A Man And A Woman
Last Week Of My Life
Roll The Rocking Chair
Walk Through The Circle
Yesterday And Tomorrow
Harder
Love and Peace
Love You Like Mad
Levitate
With My Body Thee Worship
Come On
Love Is All Around
Not Supposed To Be This Way
Fallen Angel
Guardian Angel
But The Tears Will Come Soon
Love Will Never Say Goodbye
Million Dollar Theme
Are You Going To Wait Forever
Sometimes You Can't Make It On Your Own
A Man's A Man
Electrical Storm
One Step Closer To Knowing
You Can't Give Away Your Heart
Try To Believe This
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How To Dismantle An Atomic Bomb: November 2003 - August 2004
Smile
Native Son
Xanax and (Red) Wine
Firefly
Unique
Sky Hawk
Shark Soup
Full Metal Jacket
Tough
Mercy
North Star
Lead Me In The Way I Should Go
You Can't Give Away Your Heart
Good Morning
Love Is (Perfecto)
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No Line On The Horizon: June 2007 - December 2008
Winter
Tripoli
One Bird
Diorama
Dance
Sexy Boots
French Disco
Velvet Heart
House Of Abraham
Four-Letter Word
For Your Love
If I Could Live My Life Again
Pilgrims Lack of Progress
Chromium Chords
Thank You For The Day
Songs of Ascent
Kingdom of Your Love
Every Breaking Wave
Anybody Is A Star/North Star
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Various Recordings/Sessions: September 1976-December 2008
An American Prayer
Walk Away
One Love
Wherever You Are
In My Eyes I Cry
Gives Away Love
Something Happens
If You Die, I Don't
Control Room
Devil In This House Tonight
This Thing I've Got to Stop
Treason
Starstruck
Poison Glen
Carry Me Home
We Love You