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En Vogue
This group had some the best harmony you would ever hear from a female group or any group for that matter. When they dropped “Hold On” that was an absolute summer, fall, winter, and spring smash! They went on to reach the highest of heights in the music industry and they were bigger than R&B. Unfortunately the original group has disbanded but back in 90’s Dawn Robinson, Maxine Jones, Terry Ellis, and Cindy Herron were the creme of the crop when it came to R&B groups.