ट्रॉम्बोन (en. Trombone)

Only certain wavelengths, known as standing waves, fit perfectly inside the trombone.

Their conclusions: The grape is less like an antenna and more like a trombone, though for microwaves instead of sound.

Danza (She of the pipes) for trombone trio (2 tenor trombones, 1 bass trombone).

This was the case until around the 18th century when the instrument became known as a trombone in English.

In other words, the trombone amplifies the standing waves and mutes all others.

There is currently no other direct evidence that a trombone-like instrument existed before around the early 15th century, with the earliest direct evidence being a painting, by Filipino Lippi, with a trombone in it (around 1488-1493).

Musical instrument with P: trombone, timpani, panpipe, piccolo.