Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | U | 3:30 | 4MEN | YOU | 4MEN | EP |
| Happyface Entertainment (2009 South Korean entertainment label), YWHO Enterprise | |
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | U | 3:30 | 4MEN | YOU | 4MEN | EP |
| Happyface Entertainment (2009 South Korean entertainment label), YWHO Enterprise | |