8:38

The History of the Thayer Valve

2:34

[Explained] Fourth Valve

7:37

A 5-Valve Euphonium from the 1890's

6:34

Presentation and demonstration of the BBb 6/4 Rotary Tuba ‘Kaiser’ With 5 Valves TB790HP

6:45

Drilling a hole in your valve ON PURPOSE? - Vented Valves for Trumpet Players

5:19

[Explained] F Attachment

14:42

The Tuba Virtuoso | Øystein Baadsvik | TEDxTrondheim

11:23

Thinking about purchasing a tuba? Don't know what type of tuba to buy? Maybe this will help!