The collection spans the decade-plus career of this remarkable band, whose goth-tinged, theatrical punk-pop sound earned them legions of devoted fans. It features their most beloved songs, including the hits 'I'm Not Okay (I Promise)', 'Helena' and 'The Ghost Of You' from 2004's 'Three Cheers For Sweet Revenge'; 'Welcome To The Black Parade', 'Famous Last Words' and 'Teenagers' from 2006's 'The Black Parade'; and 'Na Na Na (Na Na Na Na Na Na Na Na Na)' and 'Sing' from 2010's 'Danger Days: The True Lives of the Fabulous Killjoys', plus many others.

It also includes a previously unreleased song, 'Fake Your Death', one of the last songs the band worked on in the studio together, three songs from the infamous 'Attic Demos', as well as a long-form DVD with two hours of never-before-seen outtakes from MCR's official music videos.

'The title is fitting, because as sad as it was to say goodbye to the band, we look at this collection as a celebration of our best songs, and hope the memory of them continues to bring joy to you all as they have for us,' said band members Gerard Way, Mikey Way, Frank Iero and Ray Toro in a statement. 'We hope you take the journey with us into MCR's past, and enjoy the small taste of what might have been.'
Vinyl:
1. Fake Your Death 
2. Honey, This Mirror Isn't Big Enough For The Two Of Us 
3. Vampires Will Never Hurt You
4. Helena 
5. You Know What They Do To Guys Like Us In Prison
6. I'm Not Okay (I Promise)
7. The Ghost Of You 
8. Welcome To The Black Parade
9. Cancer 
10. Mama
11. Teenagers
12. Famous Last Words
13. Na Na Na (Na Na Na Na Na Na Na Na Na)
14. SING
15. Planetary (GO!)
16. The Kids From Yesterday
17. Skylines And Turnstiles (Demo)
18. Knives/Sorrow (Demo) 
19. Cubicles (Demo)
 
DVD:
20. I'm Not OK (I Promise) Version 1
21. I'm Not OK (I Promise) Version 2
22. Helena
23. The Ghost Of You
24. Welcome To The Black Parade
25. Famous Last Words
26. I Don't Love You
27. Teenagers
28, Blood (previously unreleased)
29. Na Na Na (Na Na Na Na Na Na Na Na Na) and Art