MAINLY IN THE JAZZ BAND AS A BASS PART,SOMETIMES AS A SOLO IMPROVISATION.THE TRADITIONAL JAZZ GENERALLY USED ACOUSTIC BASS(DOUBLE BASS)TO REFLECT ITS. ORIGINAL FLAVOR. IN MODERN JAZZ(ESPECIALLY JAZZ FUSION)OFTEN USE EL ECTRIC BASS OR ELECTRONIC SYNTHE- SIZER SYNTH BASS TONES TO INCREASE