Best Practices for backing up laptops and streaming the backed up data

Why not consolidate all your music collections from the various PCs into one repository on the MyCloud? Then access this music library from each PC?

I have all my music stored on MyCloud, and access it using MediaMonkey as a network drive on two PCs, and via DLNA using various Android devices. I have no media stored on any of these devices.

I back up the MyCloud to a USB HDD. I don’t use any of the WD backup or sync apps…

This might help you with the DLNA side of things: