I just made sure I bought an mp3 player that had an option for MSC mode (Mass Storage Class), which basically means the mp3 player works as a flash drive.
If yours has that, you might find it works better that way.
I use a Sandisk Sansa Clip+, btw. It's the best mp3 player I've ever owned.
i5 4440 3.1Ghz, Asus H87M-E motherboard, 8GB DDR3, 2GB DDR5 nVidia card, 2x500GB Seagate hd, Coolermaster 750W PSU running Mint 17.1 MATE and Win7
HP mini, 1.66 Ghz Intel atom processor, 2 GB DDR3, 320 GB hd, Mint 17 MATE