Decided to get a usb stick to put a few mp3's on as the sound via my cheap blutooth adaptor (playing songs on the phone) is very low. 

Glad to find i get proper volume playing songs off the usb stick.. but i'm being a bit thick here... how to hell do i set up the various atributes so it displays nicely on the (GID) display? 

i mean, there's 'name' which is the file name with .mp3 at the end, then things like 'album' 'album artist', 'album ID', 'featured artist', 'genre'  and so on, i tried