The mother of Guy Fallot was a recognized amateur organist and held the organ of the cathedral of Nancy.
[2] One year later, with his sister Monique, he won the first prize at the Geneva Sonata Competition.
[3] At the Conservatoire de Paris, he obtained the first prize in the class of Paul Bazelaire in 1946.
He pursued an international career, interrupted for some time because of a hand problem, and played all over the world, in sonata with pianist Rita Possa, also his accompanist for his classes at the conservatory.
Among his recordings is one from the 1950s of the Dvořák Cello Concerto with the South West German Rundfunk Baden-Baden, conducted by André Jouve on the Ducretet-Thomson label.