Tracklist
| A | Happy Birthday Darlin' | 2:50 |
| B | Heavy Tears | 2:31 |
Companies, etc.
- Manufactured By – MCA Records, Inc.
- Phonographic Copyright (p) – MCA Records, Inc.
- Copyright (c) – MCA Records, Inc.
Credits
- Producer – David Barnes
Barcode and Other Identifiers
- Rights Society: BMI
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| MCA 41135 | Conway Twitty | Happy Birthday Darlin' / Heavy Tears (7", Single) | MCA Records | MCA 41135 | US | 1979 |
| MCA-41135 | Conway Twitty | Happy Birthday Darlin' (7", Single) | MCA Records | MCA-41135 | Canada | 1979 |
