Freestyle rap battles have exploded into a billion-view global business, raking in millions—and now the cannabis industry wants a piece of the action.

The rhythms and metre are more relaxed than in general rap, so that there is room for improvisation. Freestyle battles are a feature of hip-hop culture. They can occur between two artists as they ...

Drake surprised the streets on Friday with a new freestyle that quickly surfaced on social media. For the first time since he and Kendrick Lamar shut down the internet with their rap battle ...