Copy Music Files Over Manually. While the above method is Googleâs preferred method of putting music on your Android device, you can still do it the old-fashioned way. Connect your Android to your computer using a USB cable. Use Windows Explorer to copy your music files to the Music folder on your device.You can also use the excellent AirDroid to copy songs and other files over Wi-Fi without even connecting your phone to your computer. You can then play music on your Android device.opy Music Files Over Manually. While the above method is Googleâs preferred method of putting music on your Android device, you can still do it the old-fashioned way. Connect your Android to your computer using a USB cable. Use Windows Explorer to copy your music files to the Music folder on your device.