Jazz, Roots of American art form is about 19 a day in mid-century slave songs hymns. Mississippi River in the early 20 th century, as the instrumental music of the United States along the south, especially around New Orleans, Louisiana, saw the flower of art. New Orleans early Insutourumentarujazukonbo different media. In many instances, common trumpet these early jazz groups, clarinet, trombone, tuba, drum configuration. This is the institutions that “Dikishirandojazu” as a composite, the Mississippi River to Chicago, but Louis Armstrong was a master of jazz and folk music, it was known how. Groups can be considered as having a Dikishirandojazukonbo “polyphonic” music and improvisation. Each individual instrument, other instruments, each player has different music and improvise melodies known, one of the Sun “music” and created the basis is irrelevant. Early in the jazz combo of these players played each other in the role of the group. Meanwhile, the clarinet has the melody of the song depends on the state of the trumpet and improvised lines over the band. The role of the trombone, and to improvise “in” line has been completed in the middle register notes the music itself and the necessary code changes. Tuba (or bass players) is a common root notes (and 5ths) and every chord struck in one of the measures provided for in each of the three. He served as a reference for the group harmonious mound. Finally, the role of drummer to keep it stable you can maintain the pace throughout the song together. Jazz, in 1940 and 1950, the development of the entire transaction as a jazz combo started to become more standard. “Jazz Quintet” and “sextet” was very popular at the moment. Meanwhile, the rhythm section (piano, bass, drums), make sure the rhythm and harmony quintet trumpet (alto or tenor) is the main instrument of melody such as the saxophone. 3 Honfurontorain sextet is essentially one and added a trombone to form a convoy rhythm section. For additional horn sextet melody instrument is able to add more depth the harmonious sound of the group. And the corresponding documents, and melodies played a role and voice as an integral component of the harmonic structure. Various compositions of modern jazz combo – 4,5 combo is a common location horn. As group size, the name of “combo” development “zone” or “small big band” will be replaced. Combo Jazz of the last 100 years, offers a creative outlet for music and many musicians. Jazukonbojazumyujishan Moreover, not only to play music as a group, individual improvisation as jazz musicians, continues to provide the opportunity to work together to develop their own voice. It will probably be the best way to learn the art of the era of jazz improvisation.