'This song is a little bit sad,' says the singer
Receives blow to the head, but goes on with the show
'This is not only about Lady Gaga's security, but extends to those who will be watching her'
Troy Carter rebuffs protesters after canceled concert in Indonesia
'Her music and everything about her is different from what our values are'
Pop star will have to cancel show following protest from religious and political leaders
Pop star's setlist is focused mainly on 'Born This Way' material
World tour will kick off in Southeast Asia
Tour will include an enclosed 'Monster Pit' near stage