1. According to the unit's lesson, what composer is generally regarded as the father of electronic music?Edgard Varèse2. What was important about the first performance of Varèse's Poème électronique?The music was played on 425 speakers, placed all around the pavilion. 3. What kinds of sounds did Varèse's Poème électroniqueinclude?The poem include "organized sound’’ that it was a montage of "found" sounds such as a siren, train, church bells and a human voice which were recorded and manipulated on tape and of new electronic sounds generated by a synthesizer.4. What does the term "prepared piano" mean?"Prepared" piano is the term used to describe a grand piano whose sound is altered by objects such as bolts, screws, rubber bands, paper, and plastic inserted between the strings of some of the keys. The result is a wide variety of "new" sounds that resemble drums, cymbals, xylophones and gongs.5. What composer was fond of leaving some of a musical performance "up to chance"?