Analysis on The Dark Knight: The Joker's Interrogation

The pace starts off slow, with a long shot of the commissioner walking in.
The pace seems to remain slow, with various point - of - view shot between the Joker and the Commissioner, when the Joker talks about depression to the Commissioner, the camera angle is in such a way that the camera is on the Commissioner, making the audience think that you are the Joker talking to the Commissioner.
The first SFX comes with the opening and closing of the door in the interrogation room, it is followed by the thud from the Joker's head on the table, when Batman hits him, from that moment the pace and suspense starts to build, with the introduction of a thriller music piece in the background.
The music remains at a calm level, it is possible that the music depicts Batman's calmness, when talking to the Joker, the music is at a calm level, however, when he grabs the Joker and starts to throttle him, the music increases into a suspense.
In the part where Batman starts to throttle the Joker, SFX comes back in, with thuds and bangs and the smashing of the glass, also in the scene the music builds up to a crescendo, where the Batman is beating the information out of him, he also drags the chair to the door, sealing the room off, this could be a possible SFX.
The music gets more and more intense until the Joker tell him where Dent and Rachael are, where the music is at it's most intense, it then slows down.