The family left native Guyana to settle permanently in the Paris region at the beginning of the 1950s.

It is there in music theory class that he will meet Jacques Thollot and with whom will collaborate on several experiments and albums.

[3] In 1966 Eddy Gaumont joined the French free-jazz scene, and collaborated and recorded with the main musicians of this movement, including: Barney Wilen, Jacques Thollot, François Tusque, Jean-François Jenny-Clark, Michel Portal, Beb Guérin, Marion Brown ...[4][5] In 1969 he founded his own group, the "Synchro Rythmic Eclectic Language" with Joe Maka, Louis Xavier, the same one who took over the group after the death of its founder.

[9] Eddy Gaumont participated several times in the program "Pop Club" of José Arthur, there is no testimony left.

He participated in the French program Dim Dam Dom on 12 November 1967, there is a video available on YouTube which is the only testimony of a live performance by Eddy Gaumont.