I don't have much idea about these things but is it possible to make a pi act as a usb drive? Then you can plug-in a wifi-enabled pi in the usb slot of your car

I don't have much idea about these things but is it possible to make a pi act as a usb drive? Then you can plug-in a wifi-enabled pi in the usb slot of your car which can store your music files and grant you tons of control.