This is just a simple volume indicator. includes: 3 versions-white, blue and a multi-color. You can download it here >http://midnighttokerkate.deviantart.com/#/d495rk7
Instructions + PSD + everything you need is provided in the zip.
if you are having trouble getting it to run correctly try downloading the alternate script below, which was graciously provided by ~Sam-Pa. You can download it here > http://pastebin.com/pBmGHiXJ