It appears there might be a confusion in the name provided. There is no known musical artist or band by the name of "The O'Jahs". However, there is a prominent band called "The O'Jays", an American R&B group from Canton, Ohio, formed in 1958. Known for their soulful, emotive vocals and harmonies, The O'Jays were pioneers in the Philadelphia soul music genre. Members Eddie Levert, Walter Williams, William Powell, Bobby Massey and Bill Isles were significant contributors to the band's distinctive sound. Their influential works include hits like "Love Train" and "Back Stabbers," which have left an indelible mark on the landscape of American soul music.