its for rebeccaclay
You can simply plug your phone into your computer, find the music file(s) and copy or drag them over to your PC.
If you bring the USB cable along with you, you can simply plug ur phone into the PC, and then copy onto your computer. But provide that you do not have cable, you may use the WiFi network to make it through. Wireless transfer Android Photos to PC using the AirMore app.
To transfer data between your phone and computer, you can try some data backup softwares, and I think it can be easier with an android assistant tool, you can save a lot of time to transfer or backup text messages, contacts, photos, and other media files like videos, music files.