People can go on this emotional journey that awaits them if they surrender to the songs.
Extraordinary people are the Green Berets and the Navy Seals and the Olympic athletes - these are the ones who can face these extraordinary physical challenges and be triumphant.
If you're doing a music film, you've got to be singing about something. Or, you have to be singing in a vocabulary that has tremendous appeal or else people are not going to want to sit there for eighty or ninety minutes hearing this stuff.