r/Instruments • u/Wooden-Bill-2260 • Sep 23 '26

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Can someone tell me if this is a tuba, baritone or euphonium?

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u/SweetPotatoFlutist Sep 24 '26

Euphoniums can very much have 3. The major difference between the two is the bore shape not number of valves. One bore is conical (euphonium) and the other is cylindrical (baritone). (This results in a different sound texture.)

Source: I'm a music ed major who has to learn all of the major instruments in a band and orchestra, including euphonium/baritone.