Portal:Jazz/Selected article/9

The trombone is a musical instrument in the brass family. Like all brass instruments, sound is produced when the player’s vibrating lips (embouchure) cause the air column inside the instrument to vibrate. Nearly all trombones have a telescoping slide mechanism that varies the length of the instrument to change the pitch. Special variants like the valve trombone and superbone have three valves like those on the trumpet. Nearly all flavors of jazz have used one or more trombones throughout the 20th century. (Full article...)