Listen to ko-ko performed by duke ellington's orchestra, and consider the following questions: how many soloists are featured in this piece? which instruments are featured as soloists? does each soloist play for an entire chorus or more? note: the length of a chorus may be found between 00: 13 to 00: 31, which is the first chorus of the piece that features the melody. how many bars are in a chorus? joe nanton's trombone and plunger solo begins at 00: 32. what is nanton's style of play often called? describe the sound of the accompanying trombone section during his solo. how do these supporting accompaniments give harmonic and rhythmic support to nanton's solo? describe blanton's bass solo. how many choruses does he play? describe in detail how the band accompanies him during his bass solo. does the band play continuously during his solo? which bars of this chorus does the accompanying band play?