TROMBONE 2023
WINNERS
Group E
| Ng Shing Hin | Hong Kong | Trombone Group E | Third Prize |
Group G
| Alex Jonathan Karstedt | United States | Trombone Group G | Third Prize |
Group L
| Tiziano Mazzoleni | Italy | Trombone Group L | First Prize |

| Ng Shing Hin | Hong Kong | Trombone Group E | Third Prize |
| Alex Jonathan Karstedt | United States | Trombone Group G | Third Prize |
| Tiziano Mazzoleni | Italy | Trombone Group L | First Prize |
