| Album Artist | Track Artist | Title | Album |
|---|---|---|---|
| Allo Darlin' | Allo Darlin' | The Letter | Europe (itunes) |
| Various Artists | Box Tops | The Letter | 100 Hits The Best Rock Album (dlibrary) |
| Eleanor Friedberger | Eleanor Friedberger | The Letter | Rebound (itunes) |
| PJ Harvey | PJ Harvey | The Letter | Uh Huh Her (dlibrary) |
| The Black Heart Procession | The Black Heart Procession | The Letter | Spell (itunes) |
| Various Artists | The Box Tops | The Letter | 100 Hits The Best Sixties Album (dlibrary) |
| Various Artists | The Box Tops | The Letter | Uncut Unconditionally Guaranteed, Volume 7: August 1999 (coverdisc) |