What genre is associated with artists such as Run-D.M.C. and Beastie Boys?

The genre associated with artists such as Run-D.M.C. and the Beastie Boys is Hip-Hop. These artists are pivotal figures in the development of hip-hop, helping to popularize the genre in the mainstream music scene during the 1980s and beyond. Run-D.M.C. is known for blending rock influences with rap, particularly evident in their collaboration with Aerosmith on "Walk This Way," which helped to bridge the gap between rock and hip-hop audiences. The Beastie Boys contributed with their unique blend of punk rock and hip-hop elements, bringing a different sound and style to the genre. Both groups played significant roles in shaping the sound, culture, and popularity of hip-hop during its formative years, making it clear that the correct genre classification is Hip-Hop.