You bought a great MP3 player, instead of buying CD discs, you now download all your music. While it might work great when you can have the ear buds on, it does not work great in the car. The Tunecast Transmitter might solve your dilemma. Instead of burning CD discs of all your MP3 music, you can buy a Tunecast transmitter which allows you to use the FM radio waves to play your MP3 music right on your car stereo. S