The Road to Soul: 55 Tracks That Ushered in the Soul Era; Roots of Soul: 50 Original Gems; Soul Breakout ’61: The Evolution of Soul; Soul Breakout ’60: The Evolution of Soul; Soul Breakout ’59: The Evolution of Soul; Soul Breakout ’58: The Evolution of Soul; Soul Music: The First Generation

Historians Robert Pruter (Chicago Soul, 1991) and Peter Guralnick (Sweet Soul Music, 1986) have traced the post-1963 triumph of soul music in the United States. These two scholars have also chronic...