By Alexander George (Amherst College, MA), Elisa Mai
By Lee Higgins (Associate Professor of Music Education, Associate Professor of Music Education, Boston University, Newton Center, MA)
By Jurgen-Hinrich Fuhrhop (FU Berlin, Germany), Guangtao Li (FU Berlin, E. J. Corey (Harvard University, cambridge, MA)
By Laura Nash (Harvard Business School, Harvard University, Boston, MA), Howard Stevenson (Harvard Business School