Marcy Jo and Eddie Rambeau were a popular American musical duo known for their contributions to the pop genre in the 1960s. Marcy Jo's soulful vocals, combined with Eddie Rambeau's smooth harmonies, created a distinctive sound that resonated with audiences. Both artists had successful solo careers before joining forces, with Marcy Jo's "Ronnie" and Eddie Rambeau's rendition of "Concrete and Clay" being their most notable works. Their collaboration marked a significant moment in 60s pop music, as they combined their individual styles to create a unique, melodic sound.