Wonder if he will be disinterred and sued for this use of unlicensed pepper's ghost?

Mounting of the projection element is critical. These chaps are wrestling with it. The public domain tension system can be used in a number of countries. 

Billboard 2014 awards show came off without an apparent technical glitch. The massive foil application was superbly erected by technicians with little time to spare.  However there was no doubt much nail biting as the show programmer hit the play button *boop* and voila, it starts.