Rap-rock is a music genre that blends elements of hip-hop and rock music. It typically features rapped lyrics over rock instrumentals, combining the rhythmic and lyrical style of rap with the energy and instrumentation of rock bands. This fusion allows for a diverse range of sounds and styles, appealing to fans of both genres. The genre gained popularity in the 1990s, with notable bands like Rage Against the Machine and Linkin Park leading the way. These artists often address social and political issues in their lyrics, using the powerful combination of rap and rock to create impactful messages that resonate with listeners.