In the last 2-3 months I learned X-Particles and Octane for Cinema 4D and wanted to do a 3D project of some sort with them. I was inspired by the music sync projects of people like Beeple & Trevor Kerr.
Beeple Instrumental Video
https://vimeo.com/9800754
Trevor Kerr
https://www.behance.net/gallery/26937837/Deadmau5-STROBE
I want to start doing projects like that. So I just picked a clip of a song that thought would make for a cool animation and created a sound machine.