Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2772
Points per Word
0.00018
Page Count
32
Points per Page
0.015625
Series
Timeline History
Description
This book chronicles the evolution of music, from the use of lone voices to the use of electronic equipment that synthesizes voices.