Planning sound of my movie/creating music

The sound for my movie will consist mostly of Non-diegetic sound. this sound will include a soundtrack which is tension building music, a voiceover and ambient sounds such as scissors, power surges and the sound of paper being ripped. I have included the script for the news report within a previous blogpost.

Soundtrack

When deciding what music to use within my film opening I initially looked on YouTube and SoundCloud. I found out what music that builds suspense sounds like and decided to make my own using GarageBand.
Below is a screen shot of the music I made on GarageBand.

Here is the final music track I made using GarageBand: