Connect the device to a computer using the supplied USB cable.
From the main screen, select Menu.
Utilize the 5-way navigation pad to highlight and the center button to select.
Select Tools & Settings.
Select Phone Settings.
Select USB Mode.
Select Media device (MTP).
From the computer, launch Windows Explorer / Finder.
For Windows Explorer, press the Windows+E ( +E) keys using the computer keyboard.
For Finder, click the Finder icon located on the dock.
Using Windows Explorer / Finder, create a new music folder in Removable Disk (X:).
Removable Disk (X:) represents the SD Card installed in the device. This name may vary.
Use the computer to copy music and other audio files into the newly created folder.
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.