You're trying to mount a share called "music" on your NAS but looking at the screenshot there's just one share called "LaTaniere"
I suspect if you just hit the [SCAN] button when creating the music source on Moode you'll see what shares are available in the drop down list.
I suspect if you just hit the [SCAN] button when creating the music source on Moode you'll see what shares are available in the drop down list.