by Steve HueyVocal trio the Mighty Diamonds were one of the most internationally popular reggae groups to emerge from the '70s roots era. More accessible than many other roots outfits, the Diamonds boasted soulful, gorgeously pure harmonies and tight, catchy songwriting, much of it from within the group itself. They were devout Rastafarians, but balanced their spiritual and political messages with sweet romantic material, which gave them a more universal appeal than militant groups like Culture or Black Uhuru. Regardless of whether they were singing love songs or protest anthems, the Mighty Diamonds brought a startling emotional commitment to their best material, and their debut album, Right Time, still stands as one of roots reggae's all-time classics.The Mighty Diamonds were formed in 1969 in the Kingston ghetto of Trenchtown, also home to Bob Marley. From day one onward, their lineup consisted of founder and harmony singer Pat "Lloyd" Ferg...