Tracklist Hide Credits
| A | LaughingWritten-By – Burton Cummings |
2:44 |
| B | Undun | 3:25 |
Credits
- Producer – Jack Richardson, Nimbus 9
- Written-By – Randy Bachman
Other versions
| Category | Artist | Title (Format) | Label | Category | Country | Year |
|---|---|---|---|---|---|---|
| 3-10433 | The Guess Who | Laughing / Undun (7", Single) | RCA Victor | 3-10433 | Spain | 1969 |
| RCA 1870 | The Guess Who | Laughing (7", Single, Promo) | RCA Victor | RCA 1870 | UK | 1969 |
| 74-0195 | The Guess Who | Laughing (7", Single) | RCA Victor | 74-0195 | US | 1969 |
| 74-0195 | The Guess Who | Laughing / Undun (7", Single) | RCA Victor | 74-0195 | Germany | 1969 |
| 74-0195 | The Guess Who | Laughing (7", Single) | RCA Victor | 74-0195 | New Zealand | 1969 |
