A dozen tux-clad, undergraduates from Harvard University came to town to sing a capella, with proceeds going to Dialogue in the Dark Malaysia, a social enterprise whose aim is to build empathy with those who are visually impaired. For the first time in their 70 year history, the Harvard Krokodiloes performed in the dark, and they shared their experience rehearsing sans visual cues, and their favourite moments of their World Tour so far.