How Music's 'Glass Ceiling Girls' Broke Into the Boys' Club of Radio Promotion

Ever since its primitive beginnings as "song plugging," radio promotion at record labels has been a virtual boy's club, a haven for hucksters and quasi-thugs who, in the Wild West days of the music business depicted in Fredric Dannen's 1991 book "Hit Men," famously plied programmers with payola, drugs and worse in exchange for airplay. […]