Among Canada’s initial reggae rings, Messenjah formed in Ontario in 1980 when Jamaican-American Errol Blackwood (vocals, bass) and Rupert Harvey (vocals, acoustic guitar) began taking part in together. WEA authorized the group in 1982 and released their previous independent album, Rock and roll You Large. After adding percussionist Tony Ruler, Jam Session made an appearance in 1984. 2 yrs later, Blackwood remaining for a single career. Messenjah documented Great Operator in 1987 and Rock and roll & Sway in 1990 having a loose conglomeration of music artists, including Hal Duggan (keyboards, bass, vocals), Crash Morgan (drums), Raymond Ruddock (drums, keyboards, percussion, vocals), Charles Sinclair (bass), Eric Walsh (acoustic guitar, vocals) and Haile Yates (percussion).