Education
Born in Jacmel, Grégoire was educated from 1930 to 1937 by the Christian Teaching Brothers, and then studied cabinet making at the Jacmel vocational school for two years.
Born in Jacmel, Grégoire was educated from 1930 to 1937 by the Christian Teaching Brothers, and then studied cabinet making at the Jacmel vocational school for two years.
In 1939 he joined the army and played the tuba and saxophone in the army band. He stayed in the army until the 1950s. During the presidency of Paul Magloire he left the military and joined the band at the National Palace.