The music of Motown defined an era. From the Jackson 5 and Diana Ross to Stevie Wonder and Smokey Robinson, Berry Gordy and his right-hand man, Barney Ales, built the most successful independent record label in the world. Not only did Motown represent the most iconic recording artists of its time and produce countless global hits--it created a cultural institution that redefined pop and gave us the vision of a new America: vibrant, innovative,...