"Hatik" is a French rapper who has collaborated with "Bosh" to create the song "Donnerstag (#ProjetBerlin)." The song's lyrics talk about their struggles in the rap industry and the hard work they do to earn money. The title "Donnerstag" means "Thursday" in German and is a reference to the day they recorded the song in Berlin as part of a music project. The song's opening lines show the rappers' dedication to their craft. "Ouais, mon reuf, j'suis dans l'studio comme dans l're-fou" means "Yeah, my bro, I'm in the studio like it's my obsession." They are so focused on creating music that they compare it to an addiction. The lyrics also touch on the pressures of the rap industry. Bosh talks about being not just any rapper who smokes and hooks up with random girls. He takes his craft seriously and works hard to create something unique. At the same time, he faces jealousy from others who cannot stand to see him succeed. Bosh also mentions the subject of money, a common theme in many rap songs. He talks about people who want him to fail and ask how much he makes from his YouTube views. He dismisses their curiosity by pointing out that he is still working in the studio and does not make enough to be comfortable. Overall, the song is about the struggles that rappers face in the search for success and recognition. It also reflects on how hard work, dedication, and persistence are necessary to make it in the rap industry.