The start-up music to pretty little liars is very mysterious, this is good as so is the show. This allows you to understand that the show will have a lot of suspense and tension.

The lyrics allow you to also get an in depth meaning of the show as it you start to realise who the main characters are and what is going to happen. Due to the lyrics you can also see that a secret is going to be made this causes you to want to watch it as you would like to know what the secret is.

The music is non-diegetic as the music is in the background and not visible. However this adds a dramatic effect.