School rap by Casey Bayer May 23, 2014 Share Facebook LinkedIn Twitter Northeastern Foundation Year faculty member Peter Plourde, aka Professor Lyrical, a rapper and hip-hop musician who uses music to make math and other STEM education topics more engaging and entertaining, speaks to more than 1,000 Boston middle school students about the importance of their education on Thursday at Matthews Arena. The Boston Celtics’ “Stay in School” event honored the students for their dedication and commitment to education. Photo by Casey Bayer.