You can find Beta release of the code for VR music demo app at https://github.com/trackme518/tricktheear. Main content is placed inside html folder. Stuff happens inside scripts/loadScene.js, scripts/createMenu.js and index.html. Readme will be published soon.
Have at look at A-frame component and Java reciever app for tracking user position and rotation over websockets.
We will also publish our revised code for whole VR experinece at github once finished. Even better all the music in various format will be available for you to freely remix and build upon. Subscribe to not miss it.