This document provides instructions for adding music and sound effects to a Unity game project. It discusses importing the Audio Kit asset and configuring audio sources to play music loops. It also describes attaching sound effects to game objects using audio sources and code to trigger the sounds. Exercises are included to add scoring sounds and looping game over sounds. The document then shifts to discussing Google VR and how to set up a Unity project for virtual reality using the Google VR SDK. It covers importing the GVR package, testing on iOS, and using GVR prefabs to enable head tracking and controller input in VR.