French DJ and producer David Guetta joins Oliver Tree for the recording "Here We Go Again." Guetta's career began in the 1990s, and he has since become a prominent figure in electronic dance music. He is known for his collaborations with a wide range of vocalists and for producing tracks that blend elements of house, pop, and R&B. His work often features anthemic melodies and driving rhythms, designed for large audiences and dance floors. Oliver Tree, on the other hand, is known for his genre-bending approach, often incorporating elements of alternative rock, hip-hop, and electronic music into his sound. His artistic persona is characterized by a distinctive visual style and a satirical sense of humor, which often extends to his music videos and live performances. Tree's discography showcases a willingness to experiment with different sounds and lyrical themes, often exploring topics of alienation, consumerism, and self-identity with a quirky, often ironic, perspective.