1Ready Go!!
2Life like a musical
3TV Radio
4Everything is possible
5I believe myself
6Raining
7Moonlight angel
8You'll be in my heart
9It's U
10The One
11Winter's nights
12Bonus track (FTIsland's commentary)
행복 이론 (Theory of Happiness)
BURN IT
마중 (낮에 뜨는 달) [2023 Remake]
F-R-I-E-N-DS
DOOR
이홍기의 플레이리스트 <ONCE>
1행복 이론 (Theory of Happiness)
2BURN IT
3마중 (낮에 뜨는 달) [2023 Remake] (Inst.)
4마중 (낮에 뜨는 달) [2023 Remake]
5F-R-I-E-N-DS
6새들처럼
7Hello Hello
8DOOR
9Who I Am (Live Ver.)
10Pretty Girl
![마중 (낮에 뜨는 달) [2023 Remake]专辑](https://p2.music.126.net/k8WpB7xBLaIxAceQ9M2Nyg==/109951169146669451.jpg?param=126y126)
