Se7en

 The opening starts off with an establishing shot of a book. There are non-diegetic sounds of a large thud like a thunder strike or a gunshot which really catches the viewer's attention. In the first part of this sequence, there is someone turning the pages of a book and him starting to write something. There are several cuts between the credits and the person turning the book. Editing is used with a short shot duration with parts of this sequence cutting to credits and back which each show something different creating some sort of story. Whenever it cuts to show opening credits there is a black background with these flashy white letters that are flickering which establishes some sort of creepy tone to the opening title sequence. The design of the area is quite dark and black which further emphasizes this frightening tone. There is non - diegetic music playing in the background which is very minimal. There are loud sound effects that are played. These sound effects are quite unsettling to hear. There is then finally a shot of this person writing something. All of these elements create a creepy atmosphere in the sequence. This establishes the genre showing it is going to be a dark violent film. The dark background suggests that it is some mysterious aspect to it. 

The next moment is when this person in the opening title sequence cutting up pictures and highlighting passages from a book. There are many close-ups on his hand and the tasks he seems to be doing. There are several pictures that have close-ups on them, these pictures seem to have humans in them which illude to some sort of murder. There is a close-up of him highlighting a text, the camera is fixed throughout these tasks he is doing which shows the importance of these things such as the text that is being highlighted. There are elements such as his black pen and the black pictures he is cutting up create a serious tone to it. There are multiple crossfades into different moments of the sequence such as a crossfade from reading to highlighting which links these things together. All of these shots at this moment work together to make a montage sequence that tells a story of what this character is trying to do. He seems to be trying to solve something due to the cutting and highlighting. The pictures have dead bodies in this sequence which maybe illudes towards this character is some sort of detective work with the police to solve something. At the end of this moment, the non-diegetic music starts to change into something more intense however throughout this moment the music and the sound effects are the same. All of these elements show that this character might be trying to solve something maybe some sort of murder or a series of murders that he is trying to solve by investigating into all of these things. The camera clearly highlights the tasks that he is doing in order to solve something.

In the next moment, he is still doing the same things like turning pages of pictures and reading books. In this part, the non-diegetic slowly starts to get more intense. This music is both intense and creepy which helps establish the genre of the movie. There are several shots of this character turning pages of pictures. There are more close-ups of these things and crossfades into other tasks. For example, there is a moment where the camera is zoomed on a picture on a page of a book that shows someone with something in his head which creates quite a violent tone because of this. The non - diegetic music gets more intense with different instruments coming in to support what is happening in the sequence with synchronous sound with the sequence getting more intense as it goes on. The short shot duration and jump cuts are happening and a much faster pace which helps support the intensity of the music.  There isn't much lighting which helps create this dark tone. The design of all these pictures that are shown is quite frightening which helps do this. It does not focus on one thing for a long period of time and instead keeps on cutting to different things which help create this mystery. At the end of the sequence, there is a tracking shot of a lot of books which shows that there is some extensive research in this sequence. At the end of the sequence, there are also sounds of a police siren played which indicates that some sort of crime has occurred which further shows this murder mystery type of film. Overall this part does help show that this is some sort of crime movie with the ending having the police sirens. This alongside other parts helped create the genre of the film. 

In conclusion, all of these elements and techniques from these different moments successfully establish the tone of the film and also help to create some sort of narrative early in the film. This shows the dark tone of this sequence and what the rest of the film will be like due to the credits and what is shown in the sequence. The flickering style of credits and the sequence create this creepy atmosphere. The dark scenery helps create some sort of mystery that indicates the genre of the film. The gradual increase of intensity of music also helps show what the film is like.