Appears on releases
| # | Title | Length | Track Artist | Release Title | Release Artist | Release Group Type | Country/Date | Label | Catalog# |
|---|---|---|---|---|---|---|---|---|---|
| Official | |||||||||
| 1.2 | Why Worry | 3:01 | Sylver | Little Things | Sylver | Album |
| URBAN (German techno, later rap/R&B division of Universal Music GmbH) | 038 172-2 |
| 2.4 | Why Worry | 2:58 | Sylver | Future Trance 24 | Various Artists | Album + Compilation |
| Polystar (Germany) | 0602498086261 |
| 1.9 | Why Worry | 2:59 | Sylver | Sunshine Live, Vol. 7 | Various Artists | Album + Compilation + DJ-mix |
| Toptrax Recordings | top10021-2 |
| 1.2 | Why Worry | 3:03 | Sylver | Little Things | Sylver | Album |
| Byte Records | BY 0503100-2 |
| 1.7 | Why Worry | 2:59 | Sylver | Best of: The Hit Collection 2001-2007 | Sylver | Album + Compilation |
| Zeitgeist (German dance label) | 1737568 |
| 1.7 | Why Worry | 2:59 | Sylver | Best of: The Hit Collection 2001-2007 | Sylver | Album + Compilation |
| Magic Records (Poland) | 174770-9 |
| 1.7 | Why Worry | 2:57 | Sylver | Decade | Sylver | Album + Compilation |
| ARS Entertainment (Belgium label) | 2735209 |
| 1.7 | Why Worry | 2:57 | Sylver | Decade (The Very Best of Sylver) | Sylver | Album + Compilation |
| ARS Entertainment (Belgium label), Universal Music Belgium | 2735209 |
| 1.7 | Why Worry | 2:57 | Sylver | Decade | Sylver | Album + Compilation |
| ARS Entertainment (Belgium label) | |
| (unknown) | |||||||||
| 1.7 | Why Worry | 2:57 | Sylver | Decade (The Very Best Of Sylver) | Sylver | Album + Compilation |
| ARS Entertainment (Belgium label) | 2735233 |