'Zappa' is a thorough introduction to the life and musical career of the most idiosyncratic and talented artists of the 20th century.Although he departed this Earth some 27 years ago, Frank Zappa continues to both fascinate and befuddle. He fascinates because of the sheer brilliance of his guitar playing, his compositional skills, his astute and often biting satire and parody, and his invaluable ability to put together some of the most stellar band lineups of the rock era.He befuddles, because, let’s face it, some of his lyrical output is little more than puerile scatology, often misogynistic and, frankly, and worst...