I don't know exactly what this is...
SNH48 made their debut public appearance yesterday with a mini-live. It might be that this was a promo CD issued there
MP3 / 320 / WEB
SNH48 - 无尽旋转
SNH48 - 激流之战
size: 27Mb (320web)
Download - tokyohive.com
Download FileRyushare - Uploaded