Author gives concrete descriptions of how Jimi used his guitar, his amps, even his body position to produce the uniquely explosive Hendrix sound. Read, for example, her analysis of the great Hendrix rendition of the Star Spangled Banner at Woodstock. Maybe the auuthor doesn't convey Jimi's fire too well. But, hey! it's a kid's book! What's important is that by the conclusion, the reader understands what music was to Jimi and what Jimi will always be to music.