The first single, "Da Vinci Claude", was released in March 2007, and the corresponding video in April 2007.

After the partial success of Mach 6, he wanted to take a break and made trips from Island to the United States.

While on tour in the United Kingdom, he realized that he wanted to work with musicians and make music that was different from contemporary French rap.

Chapitre 7 mixes the musical styles of rock, rap, salsa and pop.

In the album, MC Solaar speaks out about global problems such as war in Africa and child soldiers.