As follows:

1. High-pitched instruments:

Trumpet (Trumpet):

Trumpet (English name: Trumpet) Also known as trumpet, it is a kind of brass instrument. Among all brass instruments, the trumpet has the highest articulation and sound. The trumpet is notated using the treble clef of the staff. Play with fixed solfa, the fixed pitch concept.

2. Cornet:

The cornet is a lip-vibrating air-sounding instrument. In the British brass band, the cornet is the main melody instrument.

3. Flugelhorn:

The Flugelhorn is a brass instrument with a piston, and its playing method is similar to that of the cornet. Often used for solos.

2. Alto instruments:

French Horn:

The French horn is a lip-vibrating air-sounding instrument. Also known as French Horn (English: French Horn). A brass instrument with a copper spiral body, a funnel-shaped mouthpiece, and a larger, sometimes removable, bell mouth. There are usually 4 keys, one of which is used to change the fingering key.

Mellophone:

The marching horn (English: Mellophone) is an F-key brass instrument usually used in marching bands and drum and bugle bands to replace the French horn.

3. Tenor instrument:

Euphonium:

The shape and mouthpiece of the Euphonium are smaller than those of the alto The ALto horn and the baritone are larger and generally have four keys. It has a wider bass range and the timbre is similar to the baritone horn, but it is richer and softer.

Baritone:

Baritone Horn key types can be divided into two types: vertical keys and flat keys. The tube length and key design are the same as the euphonium, both in B flat major, with three or four keys. The diameter of the tube and horn are smaller than that of the euphonium, and the tone is thinner and brighter than that of the euphonium. It is an orchestral instrument for the British brass band.

4. Bass instrument:

Tuba:

Tuba (or bass tuba) is a wind instrument and the middle range of the orchestra The lowest brass instrument was invented by German Wei Plessit in 1835. This instrument is available in four keys: E-flat and B-flat, C and F. The tuba has a very deep tone and plays the lowest part in the band. In order to facilitate walking and carrying, the tuba is usually played with the tuba held against the chest using a strap. .

Sousaphone:

Sousaphone, also called Sousaphone or "Loop Bass", is a type of tuba.

Trombone:

The trombone, also known as the bow tube, is a brass instrument whose structure has been technically perfected and rarely improved. It uses a slide to change the length of the horn body and the pitch of the fundamental note.

5. And the Saxhorn series used by outdoor bands.

Created by the Belgian Saxophone in the 19th century. The mouthpiece is bowl-shaped and the horn tube is conical (the trumpet and trombone horns are cylindrical). The saxophone is a general term between the trumpet and the French horn. Commonly used ones are: cornet saxophone in the key of bB and bE; alto saxophone in the key of bE; tenor saxophone in the key of bB; baritone saxophone in the key of bB; bass saxophone in the key of bE and bB. Among them, the alto and bass alto saxophones are the most commonly used.