ELI5: Explain Like I'm 5

Contrabass trumpet

Okay kiddo, have you ever seen a regular trumpet before? It's a shiny brass instrument that you blow into and it makes a cool sound. Well, a contrabass trumpet is a super big and long version of that trumpet. It's like the big brother or sister of the regular trumpet.

The contrabass trumpet is so big that you can't hold it up like a regular trumpet. You have to put it on the ground and sit down to play it, kind of like a tuba. It's a lot heavier and harder to play than a regular trumpet too. But when you get the hang of it, it makes a really low and deep sound that is different from any other instrument.

Sometimes people use the contrabass trumpet in big orchestras or bands to add a special low sound. It's not very common, so when you see one, you know it's something special!