Few groups better captured the heart and soul of roots reggae than the Abyssinians; the vocal trio's heavenly close harmonies, dark melodies, and Rastafarian themes, all delivered with a deep spiritual feeling, were instrumental in defining and refining the genre. Bernard Collins and Donald Manning were longtime friends, and neither initially planned a career in music. That all changed one night in 1968, when during a creative burst, the pair composed "Satta Massa Gana" (also spelled "Satta Amassa Gana"). Proof of their Rastafarian devotion is found in the title, which is Amha...