After his studies at the Conservatoires of Caen and Paris, his commitment to the world of music was defined by his work with the renowned American professor R. Miller. He began his career as a soloist and teacher, enriched by stimulating encounters with conductors such as JC Malgoire, Leonardo Garcia Alarcón, Raphaël Pichon, Guy Van Waas, E. Krivine, Alexis Kossenko, O. Schneebeli, FX Roth, H. Niquet, Lionel Sow, W. Christie, C. Rousset, as well as encounters with instrumental artists such as Claire Désert, David Violi, Z. Xiao Mei, E. Strosser, A. Tharaud.
His pure and warm voice and his spirit of discovery have led him to sing a wide repertoire from the 16th to the 21st century, both secular and sacred. Alain Buet is regularly invited to the most prestigious international festivals.
Under the direction of conductor JC Magloire, his stage experience is growing: Agrippina - Haendel (2003), The Marriage of Figaro (2004), Gianni Schicci - Puccini (2004), Bastien and Bastienne - Mozart (2005). With Les Arts Florissants under the direction of W. Christie, he sang in Charpentier's opera David et Jonathas in 2004, and toured as Efemanio in Landi's opera Il Sant'Alessio in 2007-2008. He sang the role of Arcalaüs in Lully's Amadis with O. Schneibeli in Avignon and Massy, and was Dorimon in Grétry's La fausse magie with J. Corréas in Reims and Rennes.
In 2012, in Metz, he took part in the staging of S. Giraud's opera Caravaggio with FX Roth, and in 2014 he performed in Campra's Tancrède in Versailles. In 2015, he performed Golaud in Pelléas and Mélisande, and in 2016, Wolfram in Tannhäuser with the Atelier Lyrique de Tourcoing under the baton of JC Magloire.
In 2018, Golaud again in Pelléas and Mélisande: first with the Atelier Lyrique de Tourcoing, then at the Champs Élysées Theatre in Paris, conducted by Benjamin Lévy. In 2019, he will play Cybele in the parody Atys in Madness, and in 2020 he will appear as Siroco in Chabrier's The Star, conducted by Alexis Kossenko.
Since 2007, he has taught singing at the Paris Conservatoire.