Hip-Hop Tune For Language Learning

I need a catchy hip-hop song that captures the attention of young learners, specifically elementary school students. The song needs to impart language rules in an easy-to-understand and engaging manner. An expert in songwriting with previous experience in producing educational music is ideal. Understanding of language rules would be a plus. In addition, a deep grasp of hip-hop genre and the ability to simplify complex ideas for young audiences is also a requisite.