What makes Rejoice by The Emotions notable?

'Rejoice' is notable for its commercial success, peaking at No. 10 on the US Billboard R&B charts and featuring the hit single 'Best of My Love,' which topped the R&B chart. The album solidified The Emotions' status in the industry and influenced later female vocal groups by showcasing their powerful harmonies and emotional delivery. Released in January 1977, 'Rejoice' was The Emotions' third studio album, following their successful 1976 release 'Flowers.' At this point, they were gaining significant recognition for their vocal prowess and contributions to the soul and R&B genres, particularly with their association with Earth, Wind & Fire's Maurice White.