Soft rock, soul, R&B, disco, funk and hard rock all ... In the early part of the '70s, music was heavily laced with the symbolic representation of U.S. politics and the Vietnam War.

Not only did this era emerge different subgenres like Philadelphia soul and quiet storm ... here's a list of some of the hottest R&B songs that was released in the '70s.

As a pioneer of the sound and vibe of the ’70s whose influence was impossibly large ... the film had more of the rock-solid information that’s the heart and soul of most music docs. (I was surprised ...