Tracklist Hide Credits
| A | –Heptones* | Why Must IWritten-By – L. Sibbles* |
| B | –S. Smith* | Try AgainWritten-By – Slim Smith |
Companies, etc.
- Distributed By – Coxsone's Music City
- Published By – Jamrec Music
Barcode and Other Identifiers
- Matrix / Runout (A Side Runout): WIRL-CS-3185-1
- Matrix / Runout (B Side Runout): DIR CS 2009 B IH
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| CS-198 | The Heptones / Slim Smith | The Heptones / Slim Smith - Why Must I / Try Again (7", RP) | Coxsone Records | CS-198 | Jamaica | Unknown |
| SO 2027 | The Heptones / Slim Smith | The Heptones / Slim Smith - Why Must I / Try Again (7", M/Print) | Studio One | SO 2027 | UK | 1967 |
| none | The Heptones / Slim Smith | The Heptones / Slim Smith - Why Must I / Try Again (7", W/Lbl) | Coxsone's Music City | none | Jamaica | Unknown |
| none | The Heptones | Why Must I / Try Again (7") | Coxsone Records | none | Unknown | |
| none | Heptones* / S. Smith* | Heptones* / S. Smith* - Why Must I / Try Again (7", Single, RP, Red) | Coxsone Records | none | US | Unknown |

