The trumpet is one of the brass instruments. The trumpet has the highest articulation sound of any brass instrument.

The trumpet uses the treble clef notation of the pentatonic scale. In today's world, there are trumpets in various keys such as Bb, D, Eb, E, F, G, A, and soprano (higher octave) Bb.

These keys are determined by playing the high notes of the first overtone column.

The trumpet usually used is in the key of B-flat. If the trumpet is playing the same melody as a piano, electric piano, etc., which are C-tuned instruments, the trumpet must be raised a major second, which is C-tuning.

There are two types of trumpets: stand-up trumpets (trumpets with up and down pistons) and flat trumpets (trumpets with rotating pistons), with stand-up trumpets being the most widely used.

The trumpet consists of three parts: the mouthpiece, the tube body, and the mechanism.

The tube length is 1.355 meters (Bb), and the mechanical part consists of a piston and a piston sleeve, which is connected to the bypass tube by pressing the piston to extend the horn tube. The piston is divided into two types: helicoidal and rotary.

The trumpet consists of a horn mouthpiece, a reed pipe (horn tube), three piston barrels connected to three keys, a right-hand pinky finger hook, a bell, a tuning pipe, a water gate, a left-hand tuning finger ring, a first tuning pipe, a second tuning pipe, and a third tuning pipe (emergency tuning pipe).

The trumpet has a strong, sharp, brilliant sound, loud and clear, crisp, and high-pitched, with a high degree of playing skills and rich expressive power; it is a soprano instrument in the brass family, which can play both loud and clear horn sound, and beautiful and singing melodies. The trumpet can add a mystical touch with the use of a muted voice.

The trumpet can play not only uplifting melodies but also lyrical and beautiful phrases. It is therefore a common instrument in symphonic orchestras, wind ensembles, marching bands, and large jazz ensembles.

The trumpet's alto and soprano ranges are the most expressive ranges. The alto range has the greatest variation in intensity, the bass range is soft and can be played strongly, but requires special skills, and the soprano range is the most effective, but not very loud.

Because the trumpet in the brass section is mainly responsible for the melody part, the rhythm part is mainly responsible by the trombone, horn, and tuba, the woodwind section in the black wind is mainly responsible for the melody part, trumpet and black wind to cooperate to complete the melody part of the performance.

When playing, the player puts his lips close to the mouth of the horn, vibrating his lips and driving the air in the body of the tube to vibrate and make a sound. The trumpet's articulation is composed of three parts: airflow, articulator, and resonator.

Airflow is the power of trumpet articulation. The airflow exhaled from human respiratory organs has different flow rates and different speeds. Flow rate and flow rate have a very close relationship to the trumpet's articulation.

Generally speaking, when playing strong notes, the flow rate is large and fast, when playing weak notes, the flow rate is small and slow. When playing high notes, the flow rate is low and the flow rate is fast, while the opposite is true when playing low notes. The flow rate is high and fast in the strong soprano, and low and fast in the weak soprano.

When playing strong bass, the flow rate is very large and fast; when playing weak bass, the flow rate is small and slow. It is important to be familiar with the relationship between the flow rate and the flow rate of airflow required when playing high and low notes of different strengths and weaknesses.

The more famous trumpet masterpieces are Tchaikovsky's "Napoli Dance", Pomer's "Trumpet Concerto", Hindemith's "Sonata", and Korak's "Maiden of the Stage".