I have read enough here and on the Pioneer site that talks about burning the tunes to the hard drive while listening to the song but I don't recall reading anything that talks about how to transfer the tunes in another way.
Is this the only way to get the music to the drive? It seems like this would take a very long time to upload tunes 1 by 1 and if you aren't in the car long enough to hear a song all the way through.