Despite its technical triumphs and support from aviators, the XB-70’s operational future unraveled almost as quickly as it ...

From Marvin Gaye to Stevie Wonder, here's a list of some of the hottest R&B songs that was released in the '70s.

The Fugees’ 1996 cover, featuring vocals by future Grammy winner Lauryn Hill, was also a No. 1 R&B hit. Flack continued to log chart hits through the ’70s, topping herself with the double ...

Legendary pop/R&B vocalist Roberta Flack, who was launched to stardom in the early ’70s by the Grammy-winning hits “The First Time Ever I Saw Your Face” and “Killing Me Softly With His ...