The Phantom encounters stagehand Joseph Buquet and hangs him above the stage .
During the performance , the Phantom tampers with Carlotta 's throat spray , causing her to sing out of tune , and Christine steps in .
The Phantom encounters stagehand Joseph Buquet and hangs him above the stage .
During the performance , the Phantom tampers with Carlotta 's throat spray , causing her to sing out of tune , and Christine steps in .