Ska is a music genre that originated in Jamaica in the late 1950s, and was the precursor to rocksteady and reggae. Ska combined elements of Caribbean mento and calypso with American jazz and rhythm and blues.
Rocksteady is a music genre that originated in Jamaica around 1966. A successor to ska, and a precursor to reggae, rocksteady was performed by Jamaican vocal harmony groups such as The Gaylads, The Maytals and The Paragons.
Dancehall is a genre of Jamaican popular music. A more sparse version of reggae, it also speaks on politics and religion but not as directly as roots style, which was associated with the Rastafari movement, and had dominated much of the 1970s.
Dub is a genre of music which grew out of reggae music in the 1960s, and is commonly considered a subgenre, though it has developed to extend beyond the scope of reggae.
Ragga originated in Jamaica during the 1980s, at the same time that electronic dance music's popularity was increasing globally. One of the reasons for ragga's swift propagation is that it is generally easier and less expensive to produce than reggae performed on traditional musical instruments .
Ragga jungle is the type of music that emerged circa 1989-1990 and is initially heavily based on production of Michael West (Rebel MC, Congo Natty Label). Early pioneers of the genre also include Leenie De Ice and Ragga Twins.
Early 1968 was when the first genuine reggae records were released: "Nanny Goat" by Larry Marshall and "No More Heartaches" by The Beltones. American artist Johnny Nash's 1968 hit "Hold Me Tight" has been credited with first putting reggae in the American listener charts
Reggae is based on a rhythmic style characterized by accents on the off-beat, known as the skank.
charts for 56 consecutive weeks where it peaked at #8.
Exodus has been recognized by music critics as one of the greatest albums of all time. In 1999, TIME magazine named Exodus the best album of the 20th century.  In 2001, the TV network VH1 named it the 26th greatest album of all time.