[填空题]We are rapidly near the end of this course in the history of classical music. We have covered several{{U}} (36) {{/U}}. in a very short time. Much too short to do the music{{U}} (37) {{/U}}, of course, but then this is the survey course. From now until the end of the term, we’ 11 be talking about and listening to{{U}} (38) {{/U}}music. You probably already know it was in the{{U}} (39) {{/U}}that musical computers and synthesizers first appeared in university. The first commercial synthesizers were{{U}} (40) {{/U}}this time too. The{{U}} (41) {{/U}}and complexity of these instruments has now{{U}} (42) {{/U}}to the point they can{{U}} (43) {{/U}}almost any kind of sound. {{U}} (44) {{/U}}. You know I don’t share this view, but I do agree we are in the midst of a revolution in instrument design.{{U}} (45) {{/U}}Remember we’ ye already studied a similar case in the early nineteenth century when the piano replaced the harpsichord and modem brass and wind instruments