Fol and his brother played in Claude Abadie's ensemble after the end of World War II, a group which included Boris Vian.
Raymond worked around with this time with musicians such as Pierre Braslavsky, Jean-Claude Fohrenbach, Django Reinhardt, Roy Eldridge, and Johnny Hodges.
In 1952, he did a European tour in Dizzy Gillespie's band, and for several years in the middle of the decade was a regular at Paris's Club Saint-Germain.
He worked briefly in Rome in 1958, then returned to Paris, playing both piano and celesta at the Club Saint-Germain.
In the 1960s and 1970s, he worked with Kenny Clarke, Duke Ellington, Paul Gonsalves, Cat Anderson, and Gerard Badini; he also recorded a few times on solo piano in the first half of the 1970s.