Burgerbob's Weeklies- #8 p1, How to take your valve apart!
9:42
Burgerbob's Weeklies- #9, Valve instruments for trombonists!
14:53
Brass Repair Cam - Bass Trombone Axial Flow Valve Disassembly and Clean (Abi)
10:28
Diagnosing valve problems, noise or otherwise
4:27
How to look after your Hagmann valve
5:35
Rotary Valve Lubrication 101
19:50
Shires Bass Trubore Valves Review
7:08
How To Align Rotary Valves
12:50