The result is often a piece that fascinates us because of how the writer moves between conflicting elements. Hybrid writers mix fact and fiction; poetry and prose; memoir and history; biography and memoir.
Choral reading is reading aloud in unison with a whole class or group of students. Choral reading helps build students' fluency, self-confidence, and motivation.
Another view is that there are as many instruments as there are singers. To singers, the voice IS an instrument, and in a very real sense, it is. It is more accurate to say that in a cappella performances there are no instruments accompanying the choral group. None. A cappella means without sound.