If using a Macintosh computer, additional software is required in order to transfer files.
Connect the device to a computer using the supplied USB cable.
If necessary, touch and hold the Status bar (area at the top of the tablet screen with the time, signal strength, etc.) then drag to the bottom.
The image below is an example.
Tap the Android System icon the select Transfer files.
Launch File Explorer or Windows Explorer.
Using the computer keyboard, press Windows+E (+E) keys.
Alternatively, right-click Start then click Open File Explorer or Windows Explorer
Using File or Windows Explorer, navigate to: moto (g)6 > Internal shared storage > Music.
moto (g)6 is located in the Devices and drives section.
For any accompanying artwork in JPEG format, rename the art file albumart.jpg and copy into the same folder as the music files.
To further organize files, create a subfolder in the newly created music folder and copy desired music files into it.