Releases which George A. Penny appears on
| Song | Artist | Year |
|---|---|---|
| Tighten Up | Various Artists | 1968-74 |
| Tighten Up Vol 1 | Various Artists | 1968 |
| Tighten Up Volume 1, 2 & 3 | Various Artists | 1989 |
| Tighten Up Volumes 1 & 2 | Various Artists | |
| Tighten Up: Volumes 1 & 2 | ||
| Trojan 'Tighten Up' Box Set | Various Artists | 196X-7X |