Billy Harper
| Album | Song | Year | Rating |
|---|---|---|---|
| Black Saint | Call of the Wild and Peaceful Heart | 1975 | 5 |
| Black Saint | Croquet Ballet | 1975 | 2 |
| Black Saint | Dance, Eternal Spirits, Dance! | 1975 | 5 |
| Capra Black | Capra Black | 1973 | 5 |
| Capra Black | Sir Galahad | 1973 | 3 |
| Knowledge of Self | Insight | 1979 | 2 |
| Knowledge of Self | Knowledge of Self | 1979 | 5 |