Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.5 | 생활의 발견 | 4:45 | 박정현 | Op.4 | 박정현 | Album |
| T Entertainment | TE-041-01 |
| Pseudo-Release | |||||||||
| 1.5 | Life's Discovery | 4:47 | Lena Park | Op.4 | Lena Park | Album |
| ||