First Twenty Elements Science Rap Music Video from DeKalb Early College Academy (DECA) 2009-2010 Physcial Science Class. (Stone Mountain, GA) "So You think you can sing?" Problem Based Learning PBL Case written by Dominick Young- Student Rappers- Maclean Porter, Quavin Way & Lorenzo Perry. Teacher Professor Shannon Thorne-Brackett of Learning and Teaching from the Inside Out (TM). Visit www.purplephysics.com for more. Less