Blue time is a song co-written by artists Saâdane Afif and Lili Reynaud Dewar. Collaborations are frequent in the work of the Afif, as is the case of the exhibition  "Lyrics" which opened at the Palais de Tokyo in 2005, in which Saâdane Afif asked artists and musicians to translate his artworks into song lyrics and interpret them. The lyrics written on the wall produced a silent story, in a musical way that remains implicit (unlike certain installations by the artist where lyrics can be heard on headphones). The writing in hologram print displayed on the wall recalls the iridescent surface of CDs. The refrain "I've be waitin'..." introduces temporality and musicality in the field of meaning. This song is a commentary on pop music with a meta-poetic dimension. It depicts the life of a songwriter: "I 've been waitin' for the producers [...] I left home when I was a kid [...] I've been on the road indefinitely [...] I played in bars, hotels, parties." Like in "Actualité" a 16mm film by Matthia Poledna from 2001, Saâdane Afif and Lili Reynaud Dewar paint a nostalgic and idealized portrait of the artist as a pop star.

Saâdane Afif practices the quote: "I belong to a generation of artists who {...} discuss art as a form of language, with which you play upon, you deform, you transform, without focusing on the object as it was before." Such strategies of