Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 2.1 | WHY | ?:?? | 4MINUTE | WHY | 4MINUTE | Single |
| Cube Entertainment (Korea), Far Eastern Tribe Records | UMCF-9565 |
| 2.4 | WHY | ?:?? | 4Minute | Best Of 4Minute | 4Minute | Album + Compilation |
| Far Eastern Tribe Records | UMCF-9621 |
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