The 1970s had the largest variety of music genres over any other decade. Soft rock, soul, R&B, disco, funk and hard rock all hit the No. 1 spot on the Billboard charts. It was the golden era of ...

The 1970s was an interesting time in regard to how the masses chose to label music genres. During this decade, R&B was used as an all-encompassing term to group the styles of soul, funk, and disco.