4U: Outside is the second special album released by South Korean boy group BtoB. It was released on August 30, 2021 by Cube Entertainment and contains six tracks including the prerelease single "Show and Prove" and title track "Outsider".
I. Background
On August 12, Cube officially announced BtoB's comeback with a teaser image of the special album. This is the second release to not features member Hyunsik and Sungjae who are still completing their mandatory military service. However Hyunsik is credited as a writer and producer on the song "Waiting 4 U".
The album also includes the single "Show and Prove" which was recorded and released for the last stage of the competition program Kingdom: Legendary War.
II. Tracklist
| Title | Writer | Composer | Arrangement | Duration |
|---|---|---|---|---|
| Dreamer | Minhyuk (Huta), Peniel | Aftrshok, Minhyuk (Huta), joseph k | Aftrshok, joseph k | 3:33 |
| Outsider | Minhyuk (Huta), Peniel | Ryan S. Jhun, Cameron Warren, Max Cooke, Shaun Smith | Ryan S. Jhun, Cameron Warren | 3:32 |
| Can't Breathe (미치고 싶어) | Minhyuk (Huta), Peniel | Aftrshok, Minhyuk (Huta), Brian U, MarkAlong | Aftrshok | 3:49 |
| Traveler (여행) | Jinri (Full8loom), Minhyuk (Huta), Peniel | Glory Face (Full8loom), Jinri (Full8loom), Harry (Full8loom) | Glory Face (Full8loom), Harry (Full8loom) | 3:23 |
| Waiting 4 U | Hyunsik, Lee Jae-in (Zaystin), Minhyuk (Huta), Peniel | Hyunsik, Lee Jae-in (Zaystin) | Hyunsik, Lee Jae-in (Zaystin) | 3:52 |
| Finale (Show and Prove) (피날레 (Show and Prove)) | - | Minhyuk (Huta), Aftrshok, joseph k, The Muze | Aftrshok, joseph k | 3:59 |
III. Album Spoiler
IV. Spotify
V. Music Videos
VI. Concept Photos
VII. Commercial Performance
4U: Outside sold more than 50,000 copies upon release and peaked at number 2 on the Gaon Album Chart and number 26 on the Japanese Oricon Album Chart.
