Tully, Derek
| Involvement | Year | Event |
| Tenor | 1977 | Christmas Concert |
| Tenor | 1977 | Summer Concert |
| Tenor | 1977 | Choral and Instrumental Music |
| Involvement | Year | Event |
| Tenor | 1977 | Christmas Concert |
| Tenor | 1977 | Summer Concert |
| Tenor | 1977 | Choral and Instrumental Music |