WD My Cloud and Yamaha RX-A3030 compatibility

Both my Yamaha RX-A3030 is networked on a home pc network and both this pronducts are DNLA certified.

The Yamaha is supposed to be able to read back into the WD My Cloud. What is the best way of saving music on WD My Cloud for the Yamaha to be able to read this files?

This might help: