Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.1 | SOLO DAY | 3:19 | B1A4 | SOLO DAY | B1A4 | EP |
| WM Entertainment | PCSD-00981 |
| 1.1 | SOLO DAY | 3:19 | B1A4 | SOLO DAY | B1A4 | EP |
| WM Entertainment | |
| 1.1 | SOLO DAY | 3:19 | B1A4 | SOLO DAY | B1A4 | EP |
| WM Entertainment | |
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