He entered the Conservatoire de Paris at a very young age and followed Pierre Sancan's, then Yvonne Loriod's and Éliane Richepin's classes.
He then toured extensively in Canada, the United States (New York), Mexico, Italy, Spain, Switzerland, Serbia, China, Taiwan and Japan.
On television, he was invited on France 2, Arte, Mezzo with Laure Mezan, François Hudry, Anne-Charlotte Reymond, Cécille Gilly Frédéric Lodéon and Ève Ruggiéri [fr].
Musical critic Alain Lompech, wrote "Let's not doubt it: Pascal Gallet's interpretation of Chopin's 2nd sonata is worthy of the greatest, Alfred Cortot, Nelson Freire, Martha Argerich.
For 12 years, Gallet directed the Piano Festivals in Fontmorigny abbey [fr][2] and "Nuits au château du Cingle".