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 merely an example.
Tap the USB icon the select File transfer (MTP).
Selected when a check mark is present.
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 Explorer or Windows Explorer, navigate: QTASUN1 > Internal Storage > Music.
QTASUN1 is listed under the Portable Devices section.
If the music files are stored on the memory card, navigate: QTASUN1 > SD card then choose the location of the files.
Utilize the computer to copy music files from the music folder to the desired location on the computer's hard drive.