Conventions for opening of a thriller

The most important things in a thriller opening are:
Titles
Storyline
Camera angles and shots
Music

I have identified these four factors and this is why.
Each factor is very important and film openings such as Seven, mimic all feature all of these factors which makes them so special.

Titles
I think that the titles of a film are always important and it must take a lot of time and effort to product a great title sequence. The film Seven is an excellent example of great titles, the reason why it is excellent is because they make the audience want to see something new and they want to see more than just a name.

Storyline
The story in the thriller opening is one of the most important parts of a thriller and it usually grabs majority the attention. It is important that the director meets the needs of the audience which are Excitement, suspense and action. At the same time the director should not reveal too much and they must make sure that the audience is urging for more after the opening scene.

Camera angles and shots
Camera angles and shots are very important good use of camera shots always has its impact on a film. It is important to use a range of shots such as close up, mid-shot, long-shot, over the shoulder shot etc.

Music
Music is very important and good thriller music can have just as much effect as the story. The music must be appealing and tense. It must build up a tense feeling amongst the audience.