The main instruments of jazz include piano, saxophone, drums, bass, guitar, trumpet/tuba, percussion, etc.

1. Piano: The piano is the main rhythm and harmony instrument in jazz. Pianists can play chords and melodies, often for chord accompaniment and improvised solos. In jazz, the piano often plays an important role.

2. Saxophone: The saxophone is one of the most unique sounds in jazz. The saxophone plays a core role in jazz and is usually used to play melodies and improvise solos. The saxophone has a soft and varied tone that can express a variety of emotions and moods.

3. Jazz drum: Jazz drum is the core rhythm instrument in jazz. Jazz drummers usually use their fingers and drumsticks to play various parts of the drum to create various rhythmic effects. Drums often use a variety of accessories to create a variety of sounds.

4. Bass: The bass is the basic instrument that provides chord progression and rhythm patterns. The bass provides the sound at the bottom of the music, often forming a rhythm section with the drum kit and piano.

5. Guitar: The guitar is a commonly used chord accompaniment instrument and solo instrument. It is usually used to play chord accompaniment and improvised solo. Guitars in jazz often use electric guitars and effects to create a richer tone.

6. Trumpet/Tuba: Trumpet/Tuba is the most important brass instrument in jazz, usually used to play melodies and improvised solos. The sound of the trumpet/tuba is bright and clear, and the high and low ranges can appear.

7. Percussion instruments: Percussion instruments in jazz include percussion instruments, tambourines, African tambourines, etc., which are often used to create rhythm and rhythmic effects. In jazz, percussion instruments are often combined with other instruments to create a richer musical effect.

The definition of jazz

Jazz is a musical style that originated in the African-American community in the late 19th and early 20th centuries. Its musical elements include blues, jitterbug, Latin dance music, Dixieland, etc. The playing style of jazz is extremely free and flexible, full of improvisation and creation. In jazz, performers can perform the same piece of music in their own way, and can even create during the performance, changing the melody and rhythm of the music at any time.

Jazz is a colorful music form, and its musical elements and interpretation methods show very strong characteristics of freedom and individuality. Due to its innovative and unique style, jazz is widely recognized and loved, and has had a wide impact on the development of modern music.