Jean-François Quiévreux (25 July 1926 – 5 February 2012[1]), better known as Jef Gilson, was a French clarinetist,[2] pianist, arranger, vocalist,[2] composer and big band leader.
"[3] Classically trained as a clarinetist, Gilson began playing with Claude Luter in the band of Boris Vian.
[2] He formed a big band in 1963, members of which included, at various stages, Bill Coleman, Bernard Vitet, Ivan Jullien,[2] Michel Portal,[2] Jean-Louis Chautemps,[2] François Jeanneau,[2] Michel Portal,[2] Jean-Luc Ponty,[2] Bernard Lubat,[2] Lloyd Miller and Henri Texier.
[2] Gilson's recordings, on which early compositions with tempo changes (Enfin!, Œil Vision), bitonal layers and chromatic topics are included, first appeared on a mini label.
For this more arranged record, which started reflecting his achievements of free jazz, he was awarded the 1978 Prix Boris Vian.