I’m satisfied well enough with iTunes Match for my own listening and DropBox for sharing audio with others.
www.dropbox.com/Cloud_Storage Easy & Secure Team File Storage. Dropbox For Business. Free Trial
www.barracuda.com/ Secure, Fast & Easy on the P&L. Cloud + Onsite Storage. Free Eval!
www.nortonzone.com/business Safe & Easy Sharing for Business. Free Norton Zone Business Trial.
www.fabrixsystems.com/ Slash server requirements - improve cloud DVR performance & efficiency