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.
Echo Reading is a strategy teachers use to model oral reading. The teacher reads a line of a story or passage and the student echoes it using the same phrasing and tone. It helps the student focus on the print and helps the reader to read more fluently.
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.