From 1973 to 1975, Drillon published his first series of film critiques in a local newspaper, L'Écran lorrain.

He earned a sound engineering internship with the Institut national de l'audiovisuel and resigned from France Musique in 1977.

In 1978, he joined the newly formed Monde de la musique monthly magazine.

In 2003, he took over the crossword section of Le Nouvel Observateur, previously run by Robert Scipion [fr].

On 17 August 2016, he published Vingt-sept cartes postales à Alain Cavalier on BibliObs, the online edition of Le Nouvel Observateur, now called L'Obs.