1. Cinematic Sequencer – Slate : Realtime Cutscene & Cinematic Sequencer for Unity
2. Midi Tool Kit Pro : Add Midi music to your application.
3. And also : download, unzip and import this asset in your Unity project:
You will get something like that in your project:
This short tuto will explain you the basic to integrate MPTK into Slate:
Have Fun !