Some people have found that playing a repetitive instrument such as hand drums can be calming and quieten or stop unwanted inner voices. It’s fun too!
You may be able to find or start a drum circle so you can play with other people, the social part of this can also be helpful. See Community.
Music for grounding:
Nature Sounds type of music. There is a 10 hours version on the internet: http://www.youtube.com/watch?v=OdIJ2x3nxzQ
Listen to it as much as you can. It can be a background music while you are doing your daily tasks.