What makes The Manhattans by The Manhattans notable?

This album features the chart-topping single 'Kiss and Say Goodbye,' which reached No. 1 on the Billboard Hot 100. Its success not only highlighted The Manhattans' appeal but also helped to define the smooth soul sound of the era, influencing subsequent artists in the genre. Released in January 1976, 'The Manhattans' was the group's self-titled album following their successful hit 'Kiss and Say Goodbye.' At this point, The Manhattans were solidifying their reputation within the R&B genre, showcasing their vocal prowess and emotional depth.