The renowned horn-driven funk outfit Tower of Power have been issuing albums and touring the world steadily since the early '70s, in addition to backing up countless other musicians. The group's leader since the beginning has always been tenor saxophonist Emilio Castillo, who was born in Detroit but opted to pursue his musical dreams in Oakland, California. It was in Oakland that Castillo put together a group called the Motowns, which, as their name suggested, specialized in '60s-era soul. In 1967, Castillo teamed up with baritone sax player Stephen "Doc" Kupka, and soon the M...