"Musique" is a B-side single that appears along "Da Funk". The lyrics of the song has is the title itself.
Because it is a b-side to "Da Funk." It was never intended to be on the album, and in fact, "Da Funk" as a single has sold more units than Homework, so more people own it anyways than they would if it had been on the album. It is basically used to make the single a double-feature.
Elements from the song were used in the track "WDPK 83.7 FM".
The song gave the name to the first Daft Punk' compilation album, Musique Vol. 1 (1993-2005), in which the song is also featured.