Tracklist Hide Credits
| A | Hearts Of StoneWritten-By – Ray*, Jackson* |
| B | Who KnowsWritten-By – Penn*, Parker* |
Companies, etc.
- Published By – Regent Music
- Published By – Jay & Cee
Barcode and Other Identifiers
- Matrix / Runout (Side A matrix): GR 15269
- Matrix / Runout (Side B matrix): GR 15246
- Matrix / Runout (Side A runout): G.R.-15269—1
- Matrix / Runout (Side B runout): G.R.-15246—2
- Rights Society: BMI
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 45-6062 | The Charms | Hearts Of Stone / Who Knows (7", Single) | Deluxe | 45-6062 | US | 1954 |
| K4302 | The Charms | Hearts Of Stone / Who Knows (7", Single) | Quality, King Records | K4302 | Canada | 1954 |
| 6062 | The Charms | Hearts Of Stone / Who Knows (10", Single) | DeLuxe | 6062 | US | 1954 |
| RA 102 | The Harmonizing Four | Who Knows / Heart Of Stone (7", Single) | Rymska | RA 102 | UK | 1966 |

