Pagny performed "N'importe quoi" during his 2003 tour, and thus features on his 2004 live album Été 2003 à l'Olympia, as eighth track.

The song was performed by Christophe Maé, Patricia Kaas, Amel Bent and Jean-Jacques Goldman.

[3] A review in Music & Media presented "N'importe quoi" as a "passionate and dramatic rock song in a rather pompous, 'full-blown' setting".

[4] In France, "N'importe quoi" it started at number 48 on the chart edition of 12 March 1988, climbed quickly and reached the top ten in its fifth week.

[5] It achieved silver status awarded by the Syndicat National de l'Édition Phonographique, thus becoming Pagny's second most successful single, only beaten by his 1998 huge hit "Savoir aimer".