The trumpet is a musical instrument with the highest Register in the brass instrument family. Trumpets are among the oldest musical instruments, dating back to at least 1500 BC.... that is fitted with a slide much like a trombone
Trombone
The trombone is a musical instrument in the brass instrument family. Like all brass instruments, it is a lip-reed aerophone: sound is produced when the player?s vibrating lips cause the air column inside the instrument to vibrate.... .
