Tracklist
| 1 | Roll OnWritten-By – Stewart | 4:50 |
| 2 | Umbopo | 3:60 |
Versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|
| 14 719 AT | Doctor Father | Umbopo (7", Single) | Pye Records | 14 719 AT | Germany | 1970 |
| P 67027 | Doctor Father | Umbopo (7") | Pye Records | P 67027 | Italy | 1970 |
| 2948 | Doctor Father | Umbopo / Roll On (7") | Capitol Records | 2948 | US | 1970 |
| 7N.17977 | Doctor Father | Umbopo (7") | Pye Records | 7N.17977 | Portugal | 1970 |
| 7N.17977 | Doctor Father | Umbopo (7") | Pye Records | 7N.17977 | UK | 1970 |
Credits
- Producer – L. Creme
- Written-By – Godley - Creme
Notes
Duration of A-side actually printed as 3:60 on the label.
Barcodes
- Matrix / Runout (Side A, etched): 7N-17977A. XT.
- Matrix / Runout (Side B, etched): 7N-17977B. XT.
Companies
- Published By – Copyright Control
- Licensed From – Pye Limited
- Made By – Phonodisc Limited
Video
Performer: 
