Don't need root. Led Music for Xperia will help some Sony Xperia phones and all phone to beat led music effect in any music player. Recommend for xperia use stock rom. If your phone isn't listed in dialog first start app: 1. Please choose "all devices" when first start app.
Use the opportunity to download the .apk file of Led Music for Xperia 3.1.2 free of charge and have a look at users' reviews on Droid Informer. The installation package requires 1 MB of disk space and it can be launched on Android devices 2.3 and above. The security report demonstrates that the app is completely safe. LVP has designed this application that falls into the Tools category.