The trombonium is a

brass instrument A brass instrument is a musical instrument that produces sound by Sympathetic resonance, sympathetic vibration of air in a tubular resonator in sympathy with the vibration of the player's lips. The term ''labrosone'', from Latin elements meani ...

formerly manufactured by H.N. White Company and Conn-Selmer. It was unveiled by H.N. White in 1938 and was manufactured until the mid 1970s. The trombonium has the same

timbre In music, timbre (), also known as tone color or tone quality (from psychoacoustics), is the perceived sound of a musical note, sound or tone. Timbre distinguishes sounds according to their source, such as choir voices and musical instrument ...

as a regular

trombone The trombone (, Italian, French: ''trombone'') is a musical instrument in the Brass instrument, brass family. As with all brass instruments, sound is produced when the player's lips vibrate inside a mouthpiece, causing the Standing wave, air c ...

except in a smaller, more compact form. It was originally designed to be used as a marching trombone, and has valves rather than a slide thus superficially resembles a tenor horn or euphonium. It was used by the University of Southern California Marching Band and on a handful of jazz recordings (e.g., '' Jay and Kai + 6'').

References

Trombones {{Brass instruments