Spring Awakening cast members sing ‘Those You’ve Known’ WATCH: Omar Uddin, Pappel, and Alex Diaz of The Sandbox Collective’s staging of “Spring Awakening” sing a snippet of “Those You’ve Known” from the musical at the Rappler HQ. The musical runs until March 22 at the Black Box at the Proscenium Theater in Rockwell, Makati City. | Rappler