Jazz Combo is a term used to describe a small group of musicians who play jazz music. The most common type of jazz combo is a TRIO, which consists of three musicians, usually a piano, bass, and drums. Another type of jazz combo is a quartet, which consists of four musicians, typically a piano, bass, drums, and saxophone. The term 'Zees' is also used to refer to a jazz combo, which is a group of five musicians, usually a piano, bass, drums, saxophone, and trumpet.