Tracklist Hide Credits
| A | You'll Never KnowWritten-By – Warren*, Gordon* |
| B | Hold Me TightWritten-By – Lister* |
Companies, etc.
- Record Company – Columbia Graphophone Company Ltd.
- Published By – Bregman, Vocco & Conn
- Published By – Galahad Music
Credits
- Orchestra – Geoff Love & His Orchestra
- Vocals – The Rita Williams Singers
Barcode and Other Identifiers
- Matrix / Runout (Stamped Runout, Side A, Variant 1): 7XCA 25567-1N AT ET 2
- Matrix / Runout (Stamped Runout, Side B, Variant 1): 7XCA 25568-1N AD ET 1
- Matrix / Runout (Stamped Runout, Side A, Variant 2): 7XCA 25567-1N AH ET 2
- Matrix / Runout (Stamped Runout, Side B, Variant 2): 7XCA 25568-1N GL ET 1
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| DNZ 10231 | Shirley Bassey | You'll Never Know (7") | Columbia | DNZ 10231 | New Zealand | 1961 |
| 45-DB 4643 | Shirley Bassey | You'll Never Know (7", Promo) | Columbia | 45-DB 4643 | UK | 1961 |
| DO-4218 | Shirley Bassey | You'll Never Know (7", Single) | Columbia | DO-4218 | Australia | 1961 |
| 45-DB(I) 4643 | Shirley Bassey | You'll Never Know (7") | Columbia | 45-DB(I) 4643 | Ireland | 1961 |

