Ti Manno started singing when he was just a boy at a catholic school. He began his career in the late 60’s with the “Les Diables Du Rythme” band in Gonaïves, the same year he started playing for the band “Formidables” of St Marc. In the 1970’s he began playing for a very popular band called “Volo Volo”, he left Volo Volo and went to the “Astros” band. Shortly after in 1978 he was singing for DP Express one of the biggest Haitian band. While he was with DP Express, hurricane “David” destroyed part of the Caribbean especially Haiti, the group dedicated the album “David” to the Haitian people and it turned out to be a huge success.

Ti Manno left DP Express in the summer of 1981 and formed his own group “Gemini All Stars” his group released five albums “Lajan” (money), “Operasyon Men Kontre” (togetherness) etc…. After his albums were released his popularity grew day by day. Unfortunately in late 1983 he became very sick in New York with an untreatable illness. The Haitian community and music producers gathered together to raise money to try and save the super star. May 13, 1985 was a very sad and gloomy day for the Haitian people when it was announced that the legendary Antoine Rossini Jean Baptiste aka Ti Manno passed away regardless of all the prayers, and money. Ti Manno wrote a poem of gratefulness on his death to recognize all the efforts that went into saving his life. The poem was: