Appears on releases
| # | Title | Length | Track artist | Release title | Release artist | Release group type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.3 | I Must | 4:58 | Basia | It's That Girl Again | Basia | Album |
| WHD Entertainment, Inc. | IECP-10168 |
| 1.3 | I Must | 4:58 | Basia | It’s That Girl Again | Basia | Album |
| KOCH Records (independent US label, 1999–2009/01) | KOC-CD-4592 |
| 1.3 | I Must | 4:58 | Basia | It's That Girl Again | Basia | Album |
| Magic Records (Poland) | 65426746 |
| 1.3 | I Must | 4:58 | Basia | It's That Girl Again | Basia | Album |
| EQ Music (Singapore reissue/local release label) | |
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