I feel sorry for your poor little antenna!
Are you using an android phone?
Could I possibly recommend google play music? If you run windows/mac you have a little client to upload music to your google account. This is stored on the net and you can download the music from your library as and when you like (just do it when you have wifi connection). I have loads of playlists that i just either stream or sync to my device.
Oh and in true STW fashion, its free